Home / 15,057,380.34-20,779,309.44-8,181,862.47

Finding the Fourth Proportional to 15,057,380.34, 20,779,309.44 and 8,181,862.47

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Solution

The fourth proportional to 15,057,380.34, 20,779,309.44 and 8,181,862.47 is: 11,291,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,380.34 : 20,779,309.44 = 8,181,862.47 : x
  2. Step 2: Convert to fraction form
    15,057,380.34/20,779,309.44 = 8,181,862.47/x
  3. Step 3: Cross multiply
    15,057,380.34x = 20,779,309.44 × 8,181,862.47
  4. Step 4: Simplify right side
    15,057,380.34x = 170,013,452,059,652.72
  5. Step 5: Solve for x
    x = 170,013,452,059,652.72/15,057,380.34
  6. Step 6: Final answer
    x = 11,291,037.90

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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.