Home / 9,885,557.69-13,635,025.13-9,072,387.35

Finding the Fourth Proportional to 9,885,557.69, 13,635,025.13 and 9,072,387.35

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Solution

The fourth proportional to 9,885,557.69, 13,635,025.13 and 9,072,387.35 is: 12,513,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885,557.69 : 13,635,025.13 = 9,072,387.35 : x
  2. Step 2: Convert to fraction form
    9,885,557.69/13,635,025.13 = 9,072,387.35/x
  3. Step 3: Cross multiply
    9,885,557.69x = 13,635,025.13 × 9,072,387.35
  4. Step 4: Simplify right side
    9,885,557.69x = 123,702,229,506,344.11
  5. Step 5: Solve for x
    x = 123,702,229,506,344.11/9,885,557.69
  6. Step 6: Final answer
    x = 12,513,429.53

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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.