Home / 13,902,265.40-20,853,398.10-4,318,612.70

Finding the Fourth Proportional to 13,902,265.40, 20,853,398.10 and 4,318,612.70

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Solution

The fourth proportional to 13,902,265.40, 20,853,398.10 and 4,318,612.70 is: 6,477,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,265.40 : 20,853,398.10 = 4,318,612.70 : x
  2. Step 2: Convert to fraction form
    13,902,265.40/20,853,398.10 = 4,318,612.70/x
  3. Step 3: Cross multiply
    13,902,265.40x = 20,853,398.10 × 4,318,612.70
  4. Step 4: Simplify right side
    13,902,265.40x = 90,057,749,872,815.88
  5. Step 5: Solve for x
    x = 90,057,749,872,815.88/13,902,265.40
  6. Step 6: Final answer
    x = 6,477,919.05

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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.