Home / 28,551,235.28-39,400,754.67-15,498,503.04

Finding the Fourth Proportional to 28,551,235.28, 39,400,754.67 and 15,498,503.04

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Solution

The fourth proportional to 28,551,235.28, 39,400,754.67 and 15,498,503.04 is: 21,387,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,235.28 : 39,400,754.67 = 15,498,503.04 : x
  2. Step 2: Convert to fraction form
    28,551,235.28/39,400,754.67 = 15,498,503.04/x
  3. Step 3: Cross multiply
    28,551,235.28x = 39,400,754.67 × 15,498,503.04
  4. Step 4: Simplify right side
    28,551,235.28x = 610,652,715,953,796.62
  5. Step 5: Solve for x
    x = 610,652,715,953,796.62/28,551,235.28
  6. Step 6: Final answer
    x = 21,387,961.33

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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.