Home / 22,218,705.87-30,660,366.56-12,427,451.79

Finding the Fourth Proportional to 22,218,705.87, 30,660,366.56 and 12,427,451.79

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Solution

The fourth proportional to 22,218,705.87, 30,660,366.56 and 12,427,451.79 is: 17,149,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218,705.87 : 30,660,366.56 = 12,427,451.79 : x
  2. Step 2: Convert to fraction form
    22,218,705.87/30,660,366.56 = 12,427,451.79/x
  3. Step 3: Cross multiply
    22,218,705.87x = 30,660,366.56 × 12,427,451.79
  4. Step 4: Simplify right side
    22,218,705.87x = 381,030,227,225,990.88
  5. Step 5: Solve for x
    x = 381,030,227,225,990.88/22,218,705.87
  6. Step 6: Final answer
    x = 17,149,073.82

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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.