Home / 13,727,008.11-18,944,951.22-7,925,780.10

Finding the Fourth Proportional to 13,727,008.11, 18,944,951.22 and 7,925,780.10

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Solution

The fourth proportional to 13,727,008.11, 18,944,951.22 and 7,925,780.10 is: 10,938,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,008.11 : 18,944,951.22 = 7,925,780.10 : x
  2. Step 2: Convert to fraction form
    13,727,008.11/18,944,951.22 = 7,925,780.10/x
  3. Step 3: Cross multiply
    13,727,008.11x = 18,944,951.22 × 7,925,780.10
  4. Step 4: Simplify right side
    13,727,008.11x = 150,153,517,374,946.72
  5. Step 5: Solve for x
    x = 150,153,517,374,946.72/13,727,008.11
  6. Step 6: Final answer
    x = 10,938,546.56

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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.