Home / 29,022,211.71-40,049,451.17-15,791,443.09

Finding the Fourth Proportional to 29,022,211.71, 40,049,451.17 and 15,791,443.09

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Solution

The fourth proportional to 29,022,211.71, 40,049,451.17 and 15,791,443.09 is: 21,791,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022,211.71 : 40,049,451.17 = 15,791,443.09 : x
  2. Step 2: Convert to fraction form
    29,022,211.71/40,049,451.17 = 15,791,443.09/x
  3. Step 3: Cross multiply
    29,022,211.71x = 40,049,451.17 × 15,791,443.09
  4. Step 4: Simplify right side
    29,022,211.71x = 632,438,628,816,957.62
  5. Step 5: Solve for x
    x = 632,438,628,816,957.62/29,022,211.71
  6. Step 6: Final answer
    x = 21,791,537.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.