Home / 12,961,101.60-19,441,652.40-8,153,200.80

Finding the Fourth Proportional to 12,961,101.60, 19,441,652.40 and 8,153,200.80

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Solution

The fourth proportional to 12,961,101.60, 19,441,652.40 and 8,153,200.80 is: 12,229,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,101.60 : 19,441,652.40 = 8,153,200.80 : x
  2. Step 2: Convert to fraction form
    12,961,101.60/19,441,652.40 = 8,153,200.80/x
  3. Step 3: Cross multiply
    12,961,101.60x = 19,441,652.40 × 8,153,200.80
  4. Step 4: Simplify right side
    12,961,101.60x = 158,511,695,901,001.91
  5. Step 5: Solve for x
    x = 158,511,695,901,001.91/12,961,101.60
  6. Step 6: Final answer
    x = 12,229,801.20

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1.5x scale

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.