Home / 12,936,335.60-19,418,500.20-7,267,631.60

Finding the Fourth Proportional to 12,936,335.60, 19,418,500.20 and 7,267,631.60

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Solution

The fourth proportional to 12,936,335.60, 19,418,500.20 and 7,267,631.60 is: 10,909,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,335.60 : 19,418,500.20 = 7,267,631.60 : x
  2. Step 2: Convert to fraction form
    12,936,335.60/19,418,500.20 = 7,267,631.60/x
  3. Step 3: Cross multiply
    12,936,335.60x = 19,418,500.20 × 7,267,631.60
  4. Step 4: Simplify right side
    12,936,335.60x = 141,126,505,678,126.31
  5. Step 5: Solve for x
    x = 141,126,505,678,126.31/12,936,335.60
  6. Step 6: Final answer
    x = 10,909,310.80

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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.