Home / 18,887,429.70-28,331,144.55-14,777,619.30

Finding the Fourth Proportional to 18,887,429.70, 28,331,144.55 and 14,777,619.30

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Solution

The fourth proportional to 18,887,429.70, 28,331,144.55 and 14,777,619.30 is: 22,166,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,429.70 : 28,331,144.55 = 14,777,619.30 : x
  2. Step 2: Convert to fraction form
    18,887,429.70/28,331,144.55 = 14,777,619.30/x
  3. Step 3: Cross multiply
    18,887,429.70x = 28,331,144.55 × 14,777,619.30
  4. Step 4: Simplify right side
    18,887,429.70x = 418,666,868,493,169.88
  5. Step 5: Solve for x
    x = 418,666,868,493,169.88/18,887,429.70
  6. Step 6: Final answer
    x = 22,166,428.95

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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.