Home / 16,787,781.90-25,181,672.85-15,465,084.30

Finding the Fourth Proportional to 16,787,781.90, 25,181,672.85 and 15,465,084.30

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Solution

The fourth proportional to 16,787,781.90, 25,181,672.85 and 15,465,084.30 is: 23,197,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787,781.90 : 25,181,672.85 = 15,465,084.30 : x
  2. Step 2: Convert to fraction form
    16,787,781.90/25,181,672.85 = 15,465,084.30/x
  3. Step 3: Cross multiply
    16,787,781.90x = 25,181,672.85 × 15,465,084.30
  4. Step 4: Simplify right side
    16,787,781.90x = 389,436,693,440,271.31
  5. Step 5: Solve for x
    x = 389,436,693,440,271.31/16,787,781.90
  6. Step 6: Final answer
    x = 23,197,626.45

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Double scale
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Similar ratio
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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.