Home / 12,300,972.60-18,451,458.90-6,561,409.80

Finding the Fourth Proportional to 12,300,972.60, 18,451,458.90 and 6,561,409.80

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Solution

The fourth proportional to 12,300,972.60, 18,451,458.90 and 6,561,409.80 is: 9,842,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,972.60 : 18,451,458.90 = 6,561,409.80 : x
  2. Step 2: Convert to fraction form
    12,300,972.60/18,451,458.90 = 6,561,409.80/x
  3. Step 3: Cross multiply
    12,300,972.60x = 18,451,458.90 × 6,561,409.80
  4. Step 4: Simplify right side
    12,300,972.60x = 121,067,583,250,757.20
  5. Step 5: Solve for x
    x = 121,067,583,250,757.20/12,300,972.60
  6. Step 6: Final answer
    x = 9,842,114.70

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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.