Home / 20,229,830.70-30,344,746.05-17,891,490.30

Finding the Fourth Proportional to 20,229,830.70, 30,344,746.05 and 17,891,490.30

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Solution

The fourth proportional to 20,229,830.70, 30,344,746.05 and 17,891,490.30 is: 26,837,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,830.70 : 30,344,746.05 = 17,891,490.30 : x
  2. Step 2: Convert to fraction form
    20,229,830.70/30,344,746.05 = 17,891,490.30/x
  3. Step 3: Cross multiply
    20,229,830.70x = 30,344,746.05 × 17,891,490.30
  4. Step 4: Simplify right side
    20,229,830.70x = 542,912,729,609,538.38
  5. Step 5: Solve for x
    x = 542,912,729,609,538.38/20,229,830.70
  6. Step 6: Final answer
    x = 26,837,235.45

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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.