Home / 13,902,274.40-20,853,411.60-4,318,621.70

Finding the Fourth Proportional to 13,902,274.40, 20,853,411.60 and 4,318,621.70

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Solution

The fourth proportional to 13,902,274.40, 20,853,411.60 and 4,318,621.70 is: 6,477,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,274.40 : 20,853,411.60 = 4,318,621.70 : x
  2. Step 2: Convert to fraction form
    13,902,274.40/20,853,411.60 = 4,318,621.70/x
  3. Step 3: Cross multiply
    13,902,274.40x = 20,853,411.60 × 4,318,621.70
  4. Step 4: Simplify right side
    13,902,274.40x = 90,057,995,854,791.73
  5. Step 5: Solve for x
    x = 90,057,995,854,791.73/13,902,274.40
  6. Step 6: Final answer
    x = 6,477,932.55

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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.