Home / 18,444,474.30-27,666,711.45-12,944,059.95

Finding the Fourth Proportional to 18,444,474.30, 27,666,711.45 and 12,944,059.95

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Solution

The fourth proportional to 18,444,474.30, 27,666,711.45 and 12,944,059.95 is: 19,416,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,474.30 : 27,666,711.45 = 12,944,059.95 : x
  2. Step 2: Convert to fraction form
    18,444,474.30/27,666,711.45 = 12,944,059.95/x
  3. Step 3: Cross multiply
    18,444,474.30x = 27,666,711.45 × 12,944,059.95
  4. Step 4: Simplify right side
    18,444,474.30x = 358,119,571,628,151.38
  5. Step 5: Solve for x
    x = 358,119,571,628,151.38/18,444,474.30
  6. Step 6: Final answer
    x = 19,416,089.93

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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.