Home / 14,887,406.80-20,549,076.60-8,694,124.12

Finding the Fourth Proportional to 14,887,406.80, 20,549,076.60 and 8,694,124.12

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Solution

The fourth proportional to 14,887,406.80, 20,549,076.60 and 8,694,124.12 is: 12,000,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887,406.80 : 20,549,076.60 = 8,694,124.12 : x
  2. Step 2: Convert to fraction form
    14,887,406.80/20,549,076.60 = 8,694,124.12/x
  3. Step 3: Cross multiply
    14,887,406.80x = 20,549,076.60 × 8,694,124.12
  4. Step 4: Simplify right side
    14,887,406.80x = 178,656,222,511,787.59
  5. Step 5: Solve for x
    x = 178,656,222,511,787.59/14,887,406.80
  6. Step 6: Final answer
    x = 12,000,493.10

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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.