Home / 28,551,237.42-39,400,757.63-15,498,505.20

Finding the Fourth Proportional to 28,551,237.42, 39,400,757.63 and 15,498,505.20

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Solution

The fourth proportional to 28,551,237.42, 39,400,757.63 and 15,498,505.20 is: 21,387,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,237.42 : 39,400,757.63 = 15,498,505.20 : x
  2. Step 2: Convert to fraction form
    28,551,237.42/39,400,757.63 = 15,498,505.20/x
  3. Step 3: Cross multiply
    28,551,237.42x = 39,400,757.63 × 15,498,505.20
  4. Step 4: Simplify right side
    28,551,237.42x = 610,652,846,737,998.38
  5. Step 5: Solve for x
    x = 610,652,846,737,998.38/28,551,237.42
  6. Step 6: Final answer
    x = 21,387,964.31

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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.