Home / 20,335,805.92-30,503,683.50-5,189,737.96

Finding the Fourth Proportional to 20,335,805.92, 30,503,683.50 and 5,189,737.96

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Solution

The fourth proportional to 20,335,805.92, 30,503,683.50 and 5,189,737.96 is: 7,784,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,805.92 : 30,503,683.50 = 5,189,737.96 : x
  2. Step 2: Convert to fraction form
    20,335,805.92/30,503,683.50 = 5,189,737.96/x
  3. Step 3: Cross multiply
    20,335,805.92x = 30,503,683.50 × 5,189,737.96
  4. Step 4: Simplify right side
    20,335,805.92x = 158,306,124,179,775.66
  5. Step 5: Solve for x
    x = 158,306,124,179,775.66/20,335,805.92
  6. Step 6: Final answer
    x = 7,784,600.46

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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.