Home / 13,902,287.40-20,853,431.10-4,318,634.70

Finding the Fourth Proportional to 13,902,287.40, 20,853,431.10 and 4,318,634.70

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Solution

The fourth proportional to 13,902,287.40, 20,853,431.10 and 4,318,634.70 is: 6,477,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,287.40 : 20,853,431.10 = 4,318,634.70 : x
  2. Step 2: Convert to fraction form
    13,902,287.40/20,853,431.10 = 4,318,634.70/x
  3. Step 3: Cross multiply
    13,902,287.40x = 20,853,431.10 × 4,318,634.70
  4. Step 4: Simplify right side
    13,902,287.40x = 90,058,351,162,519.19
  5. Step 5: Solve for x
    x = 90,058,351,162,519.19/13,902,287.40
  6. Step 6: Final answer
    x = 6,477,952.05

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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.