Home / 20,070,731.87-27,695,388.61-11,129,617.27

Finding the Fourth Proportional to 20,070,731.87, 27,695,388.61 and 11,129,617.27

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Solution

The fourth proportional to 20,070,731.87, 27,695,388.61 and 11,129,617.27 is: 15,357,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,731.87 : 27,695,388.61 = 11,129,617.27 : x
  2. Step 2: Convert to fraction form
    20,070,731.87/27,695,388.61 = 11,129,617.27/x
  3. Step 3: Cross multiply
    20,070,731.87x = 27,695,388.61 × 11,129,617.27
  4. Step 4: Simplify right side
    20,070,731.87x = 308,239,075,373,217.25
  5. Step 5: Solve for x
    x = 308,239,075,373,217.25/20,070,731.87
  6. Step 6: Final answer
    x = 15,357,640.04

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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.