Home / 14,015,114.90-21,022,672.35-13,731,679.70

Finding the Fourth Proportional to 14,015,114.90, 21,022,672.35 and 13,731,679.70

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Solution

The fourth proportional to 14,015,114.90, 21,022,672.35 and 13,731,679.70 is: 20,597,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,114.90 : 21,022,672.35 = 13,731,679.70 : x
  2. Step 2: Convert to fraction form
    14,015,114.90/21,022,672.35 = 13,731,679.70/x
  3. Step 3: Cross multiply
    14,015,114.90x = 21,022,672.35 × 13,731,679.70
  4. Step 4: Simplify right side
    14,015,114.90x = 288,676,603,148,246.31
  5. Step 5: Solve for x
    x = 288,676,603,148,246.31/14,015,114.90
  6. Step 6: Final answer
    x = 20,597,519.55

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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.