Home / 42,282,677.96-63,433,464.78-13,530,538.88

Finding the Fourth Proportional to 42,282,677.96, 63,433,464.78 and 13,530,538.88

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Solution

The fourth proportional to 42,282,677.96, 63,433,464.78 and 13,530,538.88 is: 20,298,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,282,677.96 : 63,433,464.78 = 13,530,538.88 : x
  2. Step 2: Convert to fraction form
    42,282,677.96/63,433,464.78 = 13,530,538.88/x
  3. Step 3: Cross multiply
    42,282,677.96x = 63,433,464.78 × 13,530,538.88
  4. Step 4: Simplify right side
    42,282,677.96x = 858,288,961,498,900.75
  5. Step 5: Solve for x
    x = 858,288,961,498,900.75/42,282,677.96
  6. Step 6: Final answer
    x = 20,298,831.65

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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.