Home / 51,615,255.70-71,226,342.38-28,405,946.62

Finding the Fourth Proportional to 51,615,255.70, 71,226,342.38 and 28,405,946.62

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Solution

The fourth proportional to 51,615,255.70, 71,226,342.38 and 28,405,946.62 is: 39,198,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615,255.70 : 71,226,342.38 = 28,405,946.62 : x
  2. Step 2: Convert to fraction form
    51,615,255.70/71,226,342.38 = 28,405,946.62/x
  3. Step 3: Cross multiply
    51,615,255.70x = 71,226,342.38 × 28,405,946.62
  4. Step 4: Simplify right side
    51,615,255.70x = 2,023,251,679,584,123.75
  5. Step 5: Solve for x
    x = 2,023,251,679,584,123.75/51,615,255.70
  6. Step 6: Final answer
    x = 39,198,714.65

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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.