Home / 42,213,046.50-63,318,904.47-13,458,988.26

Finding the Fourth Proportional to 42,213,046.50, 63,318,904.47 and 13,458,988.26

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Solution

The fourth proportional to 42,213,046.50, 63,318,904.47 and 13,458,988.26 is: 20,188,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,213,046.50 : 63,318,904.47 = 13,458,988.26 : x
  2. Step 2: Convert to fraction form
    42,213,046.50/63,318,904.47 = 13,458,988.26/x
  3. Step 3: Cross multiply
    42,213,046.50x = 63,318,904.47 × 13,458,988.26
  4. Step 4: Simplify right side
    42,213,046.50x = 852,208,391,897,791.50
  5. Step 5: Solve for x
    x = 852,208,391,897,791.50/42,213,046.50
  6. Step 6: Final answer
    x = 20,188,270.28

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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.