Home / 14,962,778.98-20,648,643.86-8,347,367.46

Finding the Fourth Proportional to 14,962,778.98, 20,648,643.86 and 8,347,367.46

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Solution

The fourth proportional to 14,962,778.98, 20,648,643.86 and 8,347,367.46 is: 11,519,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962,778.98 : 20,648,643.86 = 8,347,367.46 : x
  2. Step 2: Convert to fraction form
    14,962,778.98/20,648,643.86 = 8,347,367.46/x
  3. Step 3: Cross multiply
    14,962,778.98x = 20,648,643.86 × 8,347,367.46
  4. Step 4: Simplify right side
    14,962,778.98x = 172,361,817,850,092.78
  5. Step 5: Solve for x
    x = 172,361,817,850,092.78/14,962,778.98
  6. Step 6: Final answer
    x = 11,519,372.04

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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.