Home / 20,039,486.00-27,654,543.86-10,872,128.75

Finding the Fourth Proportional to 20,039,486.00, 27,654,543.86 and 10,872,128.75

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Solution

The fourth proportional to 20,039,486.00, 27,654,543.86 and 10,872,128.75 is: 15,003,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039,486.00 : 27,654,543.86 = 10,872,128.75 : x
  2. Step 2: Convert to fraction form
    20,039,486.00/27,654,543.86 = 10,872,128.75/x
  3. Step 3: Cross multiply
    20,039,486.00x = 27,654,543.86 × 10,872,128.75
  4. Step 4: Simplify right side
    20,039,486.00x = 300,663,761,175,808.62
  5. Step 5: Solve for x
    x = 300,663,761,175,808.62/20,039,486.00
  6. Step 6: Final answer
    x = 15,003,566.52

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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.