Home / 28,679,377.59-39,577,042.77-15,626,743.76

Finding the Fourth Proportional to 28,679,377.59, 39,577,042.77 and 15,626,743.76

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Solution

The fourth proportional to 28,679,377.59, 39,577,042.77 and 15,626,743.76 is: 21,564,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,377.59 : 39,577,042.77 = 15,626,743.76 : x
  2. Step 2: Convert to fraction form
    28,679,377.59/39,577,042.77 = 15,626,743.76/x
  3. Step 3: Cross multiply
    28,679,377.59x = 39,577,042.77 × 15,626,743.76
  4. Step 4: Simplify right side
    28,679,377.59x = 618,460,306,185,692.88
  5. Step 5: Solve for x
    x = 618,460,306,185,692.88/28,679,377.59
  6. Step 6: Final answer
    x = 21,564,634.88

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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.