Home / 14,658,517.38-20,220,349.56-9,142,315.47

Finding the Fourth Proportional to 14,658,517.38, 20,220,349.56 and 9,142,315.47

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Solution

The fourth proportional to 14,658,517.38, 20,220,349.56 and 9,142,315.47 is: 12,611,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,517.38 : 20,220,349.56 = 9,142,315.47 : x
  2. Step 2: Convert to fraction form
    14,658,517.38/20,220,349.56 = 9,142,315.47/x
  3. Step 3: Cross multiply
    14,658,517.38x = 20,220,349.56 × 9,142,315.47
  4. Step 4: Simplify right side
    14,658,517.38x = 184,860,814,591,195.69
  5. Step 5: Solve for x
    x = 184,860,814,591,195.69/14,658,517.38
  6. Step 6: Final answer
    x = 12,611,153.62

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1.5x scale

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.