Home / 20,609,862.30-30,914,793.45-7,146,690.30

Finding the Fourth Proportional to 20,609,862.30, 30,914,793.45 and 7,146,690.30

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Solution

The fourth proportional to 20,609,862.30, 30,914,793.45 and 7,146,690.30 is: 10,720,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,862.30 : 30,914,793.45 = 7,146,690.30 : x
  2. Step 2: Convert to fraction form
    20,609,862.30/30,914,793.45 = 7,146,690.30/x
  3. Step 3: Cross multiply
    20,609,862.30x = 30,914,793.45 × 7,146,690.30
  4. Step 4: Simplify right side
    20,609,862.30x = 220,938,454,475,618.53
  5. Step 5: Solve for x
    x = 220,938,454,475,618.53/20,609,862.30
  6. Step 6: Final answer
    x = 10,720,035.45

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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.