Home / 12,253,335.20-18,385,907.70-8,651,346.20

Finding the Fourth Proportional to 12,253,335.20, 18,385,907.70 and 8,651,346.20

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Solution

The fourth proportional to 12,253,335.20, 18,385,907.70 and 8,651,346.20 is: 12,981,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,335.20 : 18,385,907.70 = 8,651,346.20 : x
  2. Step 2: Convert to fraction form
    12,253,335.20/18,385,907.70 = 8,651,346.20/x
  3. Step 3: Cross multiply
    12,253,335.20x = 18,385,907.70 × 8,651,346.20
  4. Step 4: Simplify right side
    12,253,335.20x = 159,062,852,713,945.72
  5. Step 5: Solve for x
    x = 159,062,852,713,945.72/12,253,335.20
  6. Step 6: Final answer
    x = 12,981,188.40

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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.