Home / 18,887,422.70-28,331,134.05-14,777,612.30

Finding the Fourth Proportional to 18,887,422.70, 28,331,134.05 and 14,777,612.30

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Solution

The fourth proportional to 18,887,422.70, 28,331,134.05 and 14,777,612.30 is: 22,166,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,422.70 : 28,331,134.05 = 14,777,612.30 : x
  2. Step 2: Convert to fraction form
    18,887,422.70/28,331,134.05 = 14,777,612.30/x
  3. Step 3: Cross multiply
    18,887,422.70x = 28,331,134.05 × 14,777,612.30
  4. Step 4: Simplify right side
    18,887,422.70x = 418,666,515,010,228.88
  5. Step 5: Solve for x
    x = 418,666,515,010,228.88/18,887,422.70
  6. Step 6: Final answer
    x = 22,166,418.45

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Double scale
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Similar ratio
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1.5x scale

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.