Home / 11,888,909.76-17,827,743.68-4,605,780.80

Finding the Fourth Proportional to 11,888,909.76, 17,827,743.68 and 4,605,780.80

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Solution

The fourth proportional to 11,888,909.76, 17,827,743.68 and 4,605,780.80 is: 6,906,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888,909.76 : 17,827,743.68 = 4,605,780.80 : x
  2. Step 2: Convert to fraction form
    11,888,909.76/17,827,743.68 = 4,605,780.80/x
  3. Step 3: Cross multiply
    11,888,909.76x = 17,827,743.68 × 4,605,780.80
  4. Step 4: Simplify right side
    11,888,909.76x = 82,110,679,548,665.34
  5. Step 5: Solve for x
    x = 82,110,679,548,665.34/11,888,909.76
  6. Step 6: Final answer
    x = 6,906,493.63

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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.