Home / 18,683,132.40-28,019,449.80-5,907,553.20

Finding the Fourth Proportional to 18,683,132.40, 28,019,449.80 and 5,907,553.20

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Solution

The fourth proportional to 18,683,132.40, 28,019,449.80 and 5,907,553.20 is: 8,859,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,132.40 : 28,019,449.80 = 5,907,553.20 : x
  2. Step 2: Convert to fraction form
    18,683,132.40/28,019,449.80 = 5,907,553.20/x
  3. Step 3: Cross multiply
    18,683,132.40x = 28,019,449.80 × 5,907,553.20
  4. Step 4: Simplify right side
    18,683,132.40x = 165,526,390,328,229.38
  5. Step 5: Solve for x
    x = 165,526,390,328,229.38/18,683,132.40
  6. Step 6: Final answer
    x = 8,859,670.14

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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.