Home / 38,291,543.56-52,842,266.03-20,887,888.77

Finding the Fourth Proportional to 38,291,543.56, 52,842,266.03 and 20,887,888.77

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Solution

The fourth proportional to 38,291,543.56, 52,842,266.03 and 20,887,888.77 is: 28,825,251.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291,543.56 : 52,842,266.03 = 20,887,888.77 : x
  2. Step 2: Convert to fraction form
    38,291,543.56/52,842,266.03 = 20,887,888.77/x
  3. Step 3: Cross multiply
    38,291,543.56x = 52,842,266.03 × 20,887,888.77
  4. Step 4: Simplify right side
    38,291,543.56x = 1,103,763,375,241,609.12
  5. Step 5: Solve for x
    x = 1,103,763,375,241,609.12/38,291,543.56
  6. Step 6: Final answer
    x = 28,825,251.55

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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.