Home / 10,756,441.60-16,134,662.40-8,320,998.40

Finding the Fourth Proportional to 10,756,441.60, 16,134,662.40 and 8,320,998.40

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Solution

The fourth proportional to 10,756,441.60, 16,134,662.40 and 8,320,998.40 is: 12,481,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756,441.60 : 16,134,662.40 = 8,320,998.40 : x
  2. Step 2: Convert to fraction form
    10,756,441.60/16,134,662.40 = 8,320,998.40/x
  3. Step 3: Cross multiply
    10,756,441.60x = 16,134,662.40 × 8,320,998.40
  4. Step 4: Simplify right side
    10,756,441.60x = 134,256,500,014,940.17
  5. Step 5: Solve for x
    x = 134,256,500,014,940.17/10,756,441.60
  6. Step 6: Final answer
    x = 12,481,497.60

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Similar ratio
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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.