Home / 27,509,898.92-37,963,740.05-15,121,261.76

Finding the Fourth Proportional to 27,509,898.92, 37,963,740.05 and 15,121,261.76

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Solution

The fourth proportional to 27,509,898.92, 37,963,740.05 and 15,121,261.76 is: 20,867,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509,898.92 : 37,963,740.05 = 15,121,261.76 : x
  2. Step 2: Convert to fraction form
    27,509,898.92/37,963,740.05 = 15,121,261.76/x
  3. Step 3: Cross multiply
    27,509,898.92x = 37,963,740.05 × 15,121,261.76
  4. Step 4: Simplify right side
    27,509,898.92x = 574,059,650,684,645.38
  5. Step 5: Solve for x
    x = 574,059,650,684,645.38/27,509,898.92
  6. Step 6: Final answer
    x = 20,867,384.95

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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.