Home / 21,280,337.36-31,924,991.76-6,902,286.56

Finding the Fourth Proportional to 21,280,337.36, 31,924,991.76 and 6,902,286.56

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Solution

The fourth proportional to 21,280,337.36, 31,924,991.76 and 6,902,286.56 is: 10,354,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280,337.36 : 31,924,991.76 = 6,902,286.56 : x
  2. Step 2: Convert to fraction form
    21,280,337.36/31,924,991.76 = 6,902,286.56/x
  3. Step 3: Cross multiply
    21,280,337.36x = 31,924,991.76 × 6,902,286.56
  4. Step 4: Simplify right side
    21,280,337.36x = 220,355,441,553,158.75
  5. Step 5: Solve for x
    x = 220,355,441,553,158.75/21,280,337.36
  6. Step 6: Final answer
    x = 10,354,884.79

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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.