Home / 16,541,407.40-24,808,840.25-15,721,139.88

Finding the Fourth Proportional to 16,541,407.40, 24,808,840.25 and 15,721,139.88

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Solution

The fourth proportional to 16,541,407.40, 24,808,840.25 and 15,721,139.88 is: 23,578,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,541,407.40 : 24,808,840.25 = 15,721,139.88 : x
  2. Step 2: Convert to fraction form
    16,541,407.40/24,808,840.25 = 15,721,139.88/x
  3. Step 3: Cross multiply
    16,541,407.40x = 24,808,840.25 × 15,721,139.88
  4. Step 4: Simplify right side
    16,541,407.40x = 390,023,247,752,218.50
  5. Step 5: Solve for x
    x = 390,023,247,752,218.50/16,541,407.40
  6. Step 6: Final answer
    x = 23,578,601.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.