Home / 15,386,522.40-23,061,121.20-6,857,805.60

Finding the Fourth Proportional to 15,386,522.40, 23,061,121.20 and 6,857,805.60

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Solution

The fourth proportional to 15,386,522.40, 23,061,121.20 and 6,857,805.60 is: 10,278,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386,522.40 : 23,061,121.20 = 6,857,805.60 : x
  2. Step 2: Convert to fraction form
    15,386,522.40/23,061,121.20 = 6,857,805.60/x
  3. Step 3: Cross multiply
    15,386,522.40x = 23,061,121.20 × 6,857,805.60
  4. Step 4: Simplify right side
    15,386,522.40x = 158,148,686,107,638.72
  5. Step 5: Solve for x
    x = 158,148,686,107,638.72/15,386,522.40
  6. Step 6: Final answer
    x = 10,278,390.53

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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.