Home / 13,487,351.80-20,231,027.70-4,390,306.60

Finding the Fourth Proportional to 13,487,351.80, 20,231,027.70 and 4,390,306.60

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Solution

The fourth proportional to 13,487,351.80, 20,231,027.70 and 4,390,306.60 is: 6,585,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,351.80 : 20,231,027.70 = 4,390,306.60 : x
  2. Step 2: Convert to fraction form
    13,487,351.80/20,231,027.70 = 4,390,306.60/x
  3. Step 3: Cross multiply
    13,487,351.80x = 20,231,027.70 × 4,390,306.60
  4. Step 4: Simplify right side
    13,487,351.80x = 88,820,414,436,092.81
  5. Step 5: Solve for x
    x = 88,820,414,436,092.81/13,487,351.80
  6. Step 6: Final answer
    x = 6,585,459.90

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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.