Home / 20,023,766.28-30,017,836.26-7,241,429.22

Finding the Fourth Proportional to 20,023,766.28, 30,017,836.26 and 7,241,429.22

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Solution

The fourth proportional to 20,023,766.28, 30,017,836.26 and 7,241,429.22 is: 10,855,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,766.28 : 30,017,836.26 = 7,241,429.22 : x
  2. Step 2: Convert to fraction form
    20,023,766.28/30,017,836.26 = 7,241,429.22/x
  3. Step 3: Cross multiply
    20,023,766.28x = 30,017,836.26 × 7,241,429.22
  4. Step 4: Simplify right side
    20,023,766.28x = 217,372,036,614,339.53
  5. Step 5: Solve for x
    x = 217,372,036,614,339.53/20,023,766.28
  6. Step 6: Final answer
    x = 10,855,701.85

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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.