Home / 10,342,454.40-15,513,681.60-9,226,428.30

Finding the Fourth Proportional to 10,342,454.40, 15,513,681.60 and 9,226,428.30

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Solution

The fourth proportional to 10,342,454.40, 15,513,681.60 and 9,226,428.30 is: 13,839,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,454.40 : 15,513,681.60 = 9,226,428.30 : x
  2. Step 2: Convert to fraction form
    10,342,454.40/15,513,681.60 = 9,226,428.30/x
  3. Step 3: Cross multiply
    10,342,454.40x = 15,513,681.60 × 9,226,428.30
  4. Step 4: Simplify right side
    10,342,454.40x = 143,135,870,951,429.28
  5. Step 5: Solve for x
    x = 143,135,870,951,429.28/10,342,454.40
  6. Step 6: Final answer
    x = 13,839,642.45

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Double scale
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Similar ratio
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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.