Home / 14,984,175.42-20,678,162.15-8,108,657.55

Finding the Fourth Proportional to 14,984,175.42, 20,678,162.15 and 8,108,657.55

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Solution

The fourth proportional to 14,984,175.42, 20,678,162.15 and 8,108,657.55 is: 11,189,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,175.42 : 20,678,162.15 = 8,108,657.55 : x
  2. Step 2: Convert to fraction form
    14,984,175.42/20,678,162.15 = 8,108,657.55/x
  3. Step 3: Cross multiply
    14,984,175.42x = 20,678,162.15 × 8,108,657.55
  4. Step 4: Simplify right side
    14,984,175.42x = 167,672,135,657,993.38
  5. Step 5: Solve for x
    x = 167,672,135,657,993.38/14,984,175.42
  6. Step 6: Final answer
    x = 11,189,947.46

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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.