Home / 31,359,150.41-47,038,725.51-12,194,391.44

Finding the Fourth Proportional to 31,359,150.41, 47,038,725.51 and 12,194,391.44

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Solution

The fourth proportional to 31,359,150.41, 47,038,725.51 and 12,194,391.44 is: 18,291,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359,150.41 : 47,038,725.51 = 12,194,391.44 : x
  2. Step 2: Convert to fraction form
    31,359,150.41/47,038,725.51 = 12,194,391.44/x
  3. Step 3: Cross multiply
    31,359,150.41x = 47,038,725.51 × 12,194,391.44
  4. Step 4: Simplify right side
    31,359,150.41x = 573,608,631,779,521.50
  5. Step 5: Solve for x
    x = 573,608,631,779,521.50/31,359,150.41
  6. Step 6: Final answer
    x = 18,291,587.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.