Home / 18,216,327.92-25,122,253.77-15,113,937.20

Finding the Fourth Proportional to 18,216,327.92, 25,122,253.77 and 15,113,937.20

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Solution

The fourth proportional to 18,216,327.92, 25,122,253.77 and 15,113,937.20 is: 20,843,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216,327.92 : 25,122,253.77 = 15,113,937.20 : x
  2. Step 2: Convert to fraction form
    18,216,327.92/25,122,253.77 = 15,113,937.20/x
  3. Step 3: Cross multiply
    18,216,327.92x = 25,122,253.77 × 15,113,937.20
  4. Step 4: Simplify right side
    18,216,327.92x = 379,696,165,676,632
  5. Step 5: Solve for x
    x = 379,696,165,676,632/18,216,327.92
  6. Step 6: Final answer
    x = 20,843,726.98

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1.5x scale

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.