Home / 42,219,073.81-63,333,334.64-13,458,536.65

Finding the Fourth Proportional to 42,219,073.81, 63,333,334.64 and 13,458,536.65

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Solution

The fourth proportional to 42,219,073.81, 63,333,334.64 and 13,458,536.65 is: 20,189,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219,073.81 : 63,333,334.64 = 13,458,536.65 : x
  2. Step 2: Convert to fraction form
    42,219,073.81/63,333,334.64 = 13,458,536.65/x
  3. Step 3: Cross multiply
    42,219,073.81x = 63,333,334.64 × 13,458,536.65
  4. Step 4: Simplify right side
    42,219,073.81x = 852,374,005,419,154.62
  5. Step 5: Solve for x
    x = 852,374,005,419,154.62/42,219,073.81
  6. Step 6: Final answer
    x = 20,189,310.86

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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.