Home / 12,224,466-16,883,934.84-8,142,999.12

Finding the Fourth Proportional to 12,224,466, 16,883,934.84 and 8,142,999.12

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Solution

The fourth proportional to 12,224,466, 16,883,934.84 and 8,142,999.12 is: 11,246,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,466 : 16,883,934.84 = 8,142,999.12 : x
  2. Step 2: Convert to fraction form
    12,224,466/16,883,934.84 = 8,142,999.12/x
  3. Step 3: Cross multiply
    12,224,466x = 16,883,934.84 × 8,142,999.12
  4. Step 4: Simplify right side
    12,224,466x = 137,485,866,544,257.34
  5. Step 5: Solve for x
    x = 137,485,866,544,257.34/12,224,466
  6. Step 6: Final answer
    x = 11,246,778.92

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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.