Home / 10,100,132.92-13,928,952.18-7,895,287

Finding the Fourth Proportional to 10,100,132.92, 13,928,952.18 and 7,895,287

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Solution

The fourth proportional to 10,100,132.92, 13,928,952.18 and 7,895,287 is: 10,888,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100,132.92 : 13,928,952.18 = 7,895,287 : x
  2. Step 2: Convert to fraction form
    10,100,132.92/13,928,952.18 = 7,895,287/x
  3. Step 3: Cross multiply
    10,100,132.92x = 13,928,952.18 × 7,895,287
  4. Step 4: Simplify right side
    10,100,132.92x = 109,973,075,070,375.66
  5. Step 5: Solve for x
    x = 109,973,075,070,375.66/10,100,132.92
  6. Step 6: Final answer
    x = 10,888,279.98

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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.