Home / 39,815,837.60-59,679,519.60-21,877,815.20

Finding the Fourth Proportional to 39,815,837.60, 59,679,519.60 and 21,877,815.20

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Solution

The fourth proportional to 39,815,837.60, 59,679,519.60 and 21,877,815.20 is: 32,792,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815,837.60 : 59,679,519.60 = 21,877,815.20 : x
  2. Step 2: Convert to fraction form
    39,815,837.60/59,679,519.60 = 21,877,815.20/x
  3. Step 3: Cross multiply
    39,815,837.60x = 59,679,519.60 × 21,877,815.20
  4. Step 4: Simplify right side
    39,815,837.60x = 1,305,657,501,033,578
  5. Step 5: Solve for x
    x = 1,305,657,501,033,578/39,815,837.60
  6. Step 6: Final answer
    x = 32,792,415.78

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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.