Home / 15,587,535.38-21,510,427.11-8,712,657.14

Finding the Fourth Proportional to 15,587,535.38, 21,510,427.11 and 8,712,657.14

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Solution

The fourth proportional to 15,587,535.38, 21,510,427.11 and 8,712,657.14 is: 12,023,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,535.38 : 21,510,427.11 = 8,712,657.14 : x
  2. Step 2: Convert to fraction form
    15,587,535.38/21,510,427.11 = 8,712,657.14/x
  3. Step 3: Cross multiply
    15,587,535.38x = 21,510,427.11 × 8,712,657.14
  4. Step 4: Simplify right side
    15,587,535.38x = 187,412,976,236,838.91
  5. Step 5: Solve for x
    x = 187,412,976,236,838.91/15,587,535.38
  6. Step 6: Final answer
    x = 12,023,259.08

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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.