Home / 14,028,473.85-21,042,710.78-13,608,569.85

Finding the Fourth Proportional to 14,028,473.85, 21,042,710.78 and 13,608,569.85

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Solution

The fourth proportional to 14,028,473.85, 21,042,710.78 and 13,608,569.85 is: 20,412,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,473.85 : 21,042,710.78 = 13,608,569.85 : x
  2. Step 2: Convert to fraction form
    14,028,473.85/21,042,710.78 = 13,608,569.85/x
  3. Step 3: Cross multiply
    14,028,473.85x = 21,042,710.78 × 13,608,569.85
  4. Step 4: Simplify right side
    14,028,473.85x = 286,361,199,414,935.12
  5. Step 5: Solve for x
    x = 286,361,199,414,935.12/14,028,473.85
  6. Step 6: Final answer
    x = 20,412,854.78

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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.