Home / 15,678,545.10-23,517,817.65-15,439,396.65

Finding the Fourth Proportional to 15,678,545.10, 23,517,817.65 and 15,439,396.65

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Solution

The fourth proportional to 15,678,545.10, 23,517,817.65 and 15,439,396.65 is: 23,159,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,545.10 : 23,517,817.65 = 15,439,396.65 : x
  2. Step 2: Convert to fraction form
    15,678,545.10/23,517,817.65 = 15,439,396.65/x
  3. Step 3: Cross multiply
    15,678,545.10x = 23,517,817.65 × 15,439,396.65
  4. Step 4: Simplify right side
    15,678,545.10x = 363,100,915,040,720.88
  5. Step 5: Solve for x
    x = 363,100,915,040,720.88/15,678,545.10
  6. Step 6: Final answer
    x = 23,159,094.98

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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.