Home / 12,942,451.92-17,860,957.50-7,141,607.24

Finding the Fourth Proportional to 12,942,451.92, 17,860,957.50 and 7,141,607.24

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Solution

The fourth proportional to 12,942,451.92, 17,860,957.50 and 7,141,607.24 is: 9,855,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,451.92 : 17,860,957.50 = 7,141,607.24 : x
  2. Step 2: Convert to fraction form
    12,942,451.92/17,860,957.50 = 7,141,607.24/x
  3. Step 3: Cross multiply
    12,942,451.92x = 17,860,957.50 × 7,141,607.24
  4. Step 4: Simplify right side
    12,942,451.92x = 127,555,943,395,332.30
  5. Step 5: Solve for x
    x = 127,555,943,395,332.30/12,942,451.92
  6. Step 6: Final answer
    x = 9,855,624.28

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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.