Home / 22,865,719.38-31,511,084.46-22,445,438.12

Finding the Fourth Proportional to 22,865,719.38, 31,511,084.46 and 22,445,438.12

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Solution

The fourth proportional to 22,865,719.38, 31,511,084.46 and 22,445,438.12 is: 30,931,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865,719.38 : 31,511,084.46 = 22,445,438.12 : x
  2. Step 2: Convert to fraction form
    22,865,719.38/31,511,084.46 = 22,445,438.12/x
  3. Step 3: Cross multiply
    22,865,719.38x = 31,511,084.46 × 22,445,438.12
  4. Step 4: Simplify right side
    22,865,719.38x = 707,280,096,457,853.25
  5. Step 5: Solve for x
    x = 707,280,096,457,853.25/22,865,719.38
  6. Step 6: Final answer
    x = 30,931,897.86

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Double scale
Find fourth proportional to 22,865,720.38, 31,511,085.84 and 22,445,439.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.