Home / 18,217,499.47-27,331,035.11-6,547,049.21

Finding the Fourth Proportional to 18,217,499.47, 27,331,035.11 and 6,547,049.21

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Solution

The fourth proportional to 18,217,499.47, 27,331,035.11 and 6,547,049.21 is: 9,822,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,499.47 : 27,331,035.11 = 6,547,049.21 : x
  2. Step 2: Convert to fraction form
    18,217,499.47/27,331,035.11 = 6,547,049.21/x
  3. Step 3: Cross multiply
    18,217,499.47x = 27,331,035.11 × 6,547,049.21
  4. Step 4: Simplify right side
    18,217,499.47x = 178,937,631,792,672.53
  5. Step 5: Solve for x
    x = 178,937,631,792,672.53/18,217,499.47
  6. Step 6: Final answer
    x = 9,822,293.79

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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.