Home / 22,409,695.71-30,924,960.12-13,707,229.05

Finding the Fourth Proportional to 22,409,695.71, 30,924,960.12 and 13,707,229.05

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Solution

The fourth proportional to 22,409,695.71, 30,924,960.12 and 13,707,229.05 is: 18,915,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409,695.71 : 30,924,960.12 = 13,707,229.05 : x
  2. Step 2: Convert to fraction form
    22,409,695.71/30,924,960.12 = 13,707,229.05/x
  3. Step 3: Cross multiply
    22,409,695.71x = 30,924,960.12 × 13,707,229.05
  4. Step 4: Simplify right side
    22,409,695.71x = 423,895,511,726,955.50
  5. Step 5: Solve for x
    x = 423,895,511,726,955.50/22,409,695.71
  6. Step 6: Final answer
    x = 18,915,719.21

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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.