Home / 14,978,395.80-20,670,141.33-8,102,876.04

Finding the Fourth Proportional to 14,978,395.80, 20,670,141.33 and 8,102,876.04

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Solution

The fourth proportional to 14,978,395.80, 20,670,141.33 and 8,102,876.04 is: 11,181,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,395.80 : 20,670,141.33 = 8,102,876.04 : x
  2. Step 2: Convert to fraction form
    14,978,395.80/20,670,141.33 = 8,102,876.04/x
  3. Step 3: Cross multiply
    14,978,395.80x = 20,670,141.33 × 8,102,876.04
  4. Step 4: Simplify right side
    14,978,395.80x = 167,487,592,926,270.72
  5. Step 5: Solve for x
    x = 167,487,592,926,270.72/14,978,395.80
  6. Step 6: Final answer
    x = 11,181,944.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.