Home / 15,027,619.53-20,738,154.92-8,152,101.59

Finding the Fourth Proportional to 15,027,619.53, 20,738,154.92 and 8,152,101.59

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Solution

The fourth proportional to 15,027,619.53, 20,738,154.92 and 8,152,101.59 is: 11,249,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027,619.53 : 20,738,154.92 = 8,152,101.59 : x
  2. Step 2: Convert to fraction form
    15,027,619.53/20,738,154.92 = 8,152,101.59/x
  3. Step 3: Cross multiply
    15,027,619.53x = 20,738,154.92 × 8,152,101.59
  4. Step 4: Simplify right side
    15,027,619.53x = 169,059,545,708,083.19
  5. Step 5: Solve for x
    x = 169,059,545,708,083.19/15,027,619.53
  6. Step 6: Final answer
    x = 11,249,921.88

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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.