Home / 20,027,557.40-30,053,670.76-7,894,956.20

Finding the Fourth Proportional to 20,027,557.40, 30,053,670.76 and 7,894,956.20

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Solution

The fourth proportional to 20,027,557.40, 30,053,670.76 and 7,894,956.20 is: 11,847,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,557.40 : 30,053,670.76 = 7,894,956.20 : x
  2. Step 2: Convert to fraction form
    20,027,557.40/30,053,670.76 = 7,894,956.20/x
  3. Step 3: Cross multiply
    20,027,557.40x = 30,053,670.76 × 7,894,956.20
  4. Step 4: Simplify right side
    20,027,557.40x = 237,272,414,299,420.72
  5. Step 5: Solve for x
    x = 237,272,414,299,420.72/20,027,557.40
  6. Step 6: Final answer
    x = 11,847,296.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.