Home / 27,960,332.11-38,565,382.19-18,663,214.68

Finding the Fourth Proportional to 27,960,332.11, 38,565,382.19 and 18,663,214.68

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Solution

The fourth proportional to 27,960,332.11, 38,565,382.19 and 18,663,214.68 is: 25,741,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960,332.11 : 38,565,382.19 = 18,663,214.68 : x
  2. Step 2: Convert to fraction form
    27,960,332.11/38,565,382.19 = 18,663,214.68/x
  3. Step 3: Cross multiply
    27,960,332.11x = 38,565,382.19 × 18,663,214.68
  4. Step 4: Simplify right side
    27,960,332.11x = 719,754,006,934,902.50
  5. Step 5: Solve for x
    x = 719,754,006,934,902.50/27,960,332.11
  6. Step 6: Final answer
    x = 25,741,969.16

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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.