Home / 39,905,891.20-59,876,462.40-19,424,252.80

Finding the Fourth Proportional to 39,905,891.20, 59,876,462.40 and 19,424,252.80

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Solution

The fourth proportional to 39,905,891.20, 59,876,462.40 and 19,424,252.80 is: 29,144,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,891.20 : 59,876,462.40 = 19,424,252.80 : x
  2. Step 2: Convert to fraction form
    39,905,891.20/59,876,462.40 = 19,424,252.80/x
  3. Step 3: Cross multiply
    39,905,891.20x = 59,876,462.40 × 19,424,252.80
  4. Step 4: Simplify right side
    39,905,891.20x = 1,163,055,542,427,294.75
  5. Step 5: Solve for x
    x = 1,163,055,542,427,294.75/39,905,891.20
  6. Step 6: Final answer
    x = 29,144,958.49

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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.