Home / 20,657,690.20-30,951,105.90-9,851,723.20

Finding the Fourth Proportional to 20,657,690.20, 30,951,105.90 and 9,851,723.20

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Solution

The fourth proportional to 20,657,690.20, 30,951,105.90 and 9,851,723.20 is: 14,760,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,690.20 : 30,951,105.90 = 9,851,723.20 : x
  2. Step 2: Convert to fraction form
    20,657,690.20/30,951,105.90 = 9,851,723.20/x
  3. Step 3: Cross multiply
    20,657,690.20x = 30,951,105.90 × 9,851,723.20
  4. Step 4: Simplify right side
    20,657,690.20x = 304,921,728,060,686.81
  5. Step 5: Solve for x
    x = 304,921,728,060,686.81/20,657,690.20
  6. Step 6: Final answer
    x = 14,760,688.40

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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.