Home / 12,578,001.60-18,823,456.80-7,532,932.80

Finding the Fourth Proportional to 12,578,001.60, 18,823,456.80 and 7,532,932.80

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Solution

The fourth proportional to 12,578,001.60, 18,823,456.80 and 7,532,932.80 is: 11,273,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,001.60 : 18,823,456.80 = 7,532,932.80 : x
  2. Step 2: Convert to fraction form
    12,578,001.60/18,823,456.80 = 7,532,932.80/x
  3. Step 3: Cross multiply
    12,578,001.60x = 18,823,456.80 × 7,532,932.80
  4. Step 4: Simplify right side
    12,578,001.60x = 141,795,835,138,103.03
  5. Step 5: Solve for x
    x = 141,795,835,138,103.03/12,578,001.60
  6. Step 6: Final answer
    x = 11,273,319.85

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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.