Home / 15,363,680.28-21,202,101.18-8,488,320.36

Finding the Fourth Proportional to 15,363,680.28, 21,202,101.18 and 8,488,320.36

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Solution

The fourth proportional to 15,363,680.28, 21,202,101.18 and 8,488,320.36 is: 11,714,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363,680.28 : 21,202,101.18 = 8,488,320.36 : x
  2. Step 2: Convert to fraction form
    15,363,680.28/21,202,101.18 = 8,488,320.36/x
  3. Step 3: Cross multiply
    15,363,680.28x = 21,202,101.18 × 8,488,320.36
  4. Step 4: Simplify right side
    15,363,680.28x = 179,970,227,120,974
  5. Step 5: Solve for x
    x = 179,970,227,120,974/15,363,680.28
  6. Step 6: Final answer
    x = 11,714,004.97

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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.