Home / 11,178,019.70-16,767,029.55-9,158,543.90

Finding the Fourth Proportional to 11,178,019.70, 16,767,029.55 and 9,158,543.90

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Solution

The fourth proportional to 11,178,019.70, 16,767,029.55 and 9,158,543.90 is: 13,737,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,019.70 : 16,767,029.55 = 9,158,543.90 : x
  2. Step 2: Convert to fraction form
    11,178,019.70/16,767,029.55 = 9,158,543.90/x
  3. Step 3: Cross multiply
    11,178,019.70x = 16,767,029.55 × 9,158,543.90
  4. Step 4: Simplify right side
    11,178,019.70x = 153,561,576,206,272.25
  5. Step 5: Solve for x
    x = 153,561,576,206,272.25/11,178,019.70
  6. Step 6: Final answer
    x = 13,737,815.85

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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.