Home / 21,787,301.80-32,680,952.70-20,145,010.60

Finding the Fourth Proportional to 21,787,301.80, 32,680,952.70 and 20,145,010.60

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Solution

The fourth proportional to 21,787,301.80, 32,680,952.70 and 20,145,010.60 is: 30,217,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,301.80 : 32,680,952.70 = 20,145,010.60 : x
  2. Step 2: Convert to fraction form
    21,787,301.80/32,680,952.70 = 20,145,010.60/x
  3. Step 3: Cross multiply
    21,787,301.80x = 32,680,952.70 × 20,145,010.60
  4. Step 4: Simplify right side
    21,787,301.80x = 658,358,138,559,598.62
  5. Step 5: Solve for x
    x = 658,358,138,559,598.62/21,787,301.80
  6. Step 6: Final answer
    x = 30,217,515.90

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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.