Home / 20,381,374.81-30,591,216.41-10,672,956.15

Finding the Fourth Proportional to 20,381,374.81, 30,591,216.41 and 10,672,956.15

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Solution

The fourth proportional to 20,381,374.81, 30,591,216.41 and 10,672,956.15 is: 16,019,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,381,374.81 : 30,591,216.41 = 10,672,956.15 : x
  2. Step 2: Convert to fraction form
    20,381,374.81/30,591,216.41 = 10,672,956.15/x
  3. Step 3: Cross multiply
    20,381,374.81x = 30,591,216.41 × 10,672,956.15
  4. Step 4: Simplify right side
    20,381,374.81x = 326,498,711,411,124.62
  5. Step 5: Solve for x
    x = 326,498,711,411,124.62/20,381,374.81
  6. Step 6: Final answer
    x = 16,019,464.56

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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.