Home / 19,558,890.80-29,338,336.20-14,520,042.80

Finding the Fourth Proportional to 19,558,890.80, 29,338,336.20 and 14,520,042.80

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Solution

The fourth proportional to 19,558,890.80, 29,338,336.20 and 14,520,042.80 is: 21,780,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558,890.80 : 29,338,336.20 = 14,520,042.80 : x
  2. Step 2: Convert to fraction form
    19,558,890.80/29,338,336.20 = 14,520,042.80/x
  3. Step 3: Cross multiply
    19,558,890.80x = 29,338,336.20 × 14,520,042.80
  4. Step 4: Simplify right side
    19,558,890.80x = 425,993,897,304,789.38
  5. Step 5: Solve for x
    x = 425,993,897,304,789.38/19,558,890.80
  6. Step 6: Final answer
    x = 21,780,064.20

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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.