Home / 12,498,799.95-18,731,177.16-7,036,500.15

Finding the Fourth Proportional to 12,498,799.95, 18,731,177.16 and 7,036,500.15

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Solution

The fourth proportional to 12,498,799.95, 18,731,177.16 and 7,036,500.15 is: 10,545,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498,799.95 : 18,731,177.16 = 7,036,500.15 : x
  2. Step 2: Convert to fraction form
    12,498,799.95/18,731,177.16 = 7,036,500.15/x
  3. Step 3: Cross multiply
    12,498,799.95x = 18,731,177.16 × 7,036,500.15
  4. Step 4: Simplify right side
    12,498,799.95x = 131,801,930,802,360.69
  5. Step 5: Solve for x
    x = 131,801,930,802,360.69/12,498,799.95
  6. Step 6: Final answer
    x = 10,545,166.85

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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.