Home / 12,451,761.60-18,677,642.40-4,876,209.60

Finding the Fourth Proportional to 12,451,761.60, 18,677,642.40 and 4,876,209.60

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Solution

The fourth proportional to 12,451,761.60, 18,677,642.40 and 4,876,209.60 is: 7,314,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,761.60 : 18,677,642.40 = 4,876,209.60 : x
  2. Step 2: Convert to fraction form
    12,451,761.60/18,677,642.40 = 4,876,209.60/x
  3. Step 3: Cross multiply
    12,451,761.60x = 18,677,642.40 × 4,876,209.60
  4. Step 4: Simplify right side
    12,451,761.60x = 91,076,099,176,247.03
  5. Step 5: Solve for x
    x = 91,076,099,176,247.03/12,451,761.60
  6. Step 6: Final answer
    x = 7,314,314.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.