Home / 20,462,213.70-30,693,320.55-14,005,205.55

Finding the Fourth Proportional to 20,462,213.70, 30,693,320.55 and 14,005,205.55

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Solution

The fourth proportional to 20,462,213.70, 30,693,320.55 and 14,005,205.55 is: 21,007,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462,213.70 : 30,693,320.55 = 14,005,205.55 : x
  2. Step 2: Convert to fraction form
    20,462,213.70/30,693,320.55 = 14,005,205.55/x
  3. Step 3: Cross multiply
    20,462,213.70x = 30,693,320.55 × 14,005,205.55
  4. Step 4: Simplify right side
    20,462,213.70x = 429,866,263,314,789.06
  5. Step 5: Solve for x
    x = 429,866,263,314,789.06/20,462,213.70
  6. Step 6: Final answer
    x = 21,007,808.33

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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.