Home / 8,197,563.96-11,287,595.70-7,428,614.76

Finding the Fourth Proportional to 8,197,563.96, 11,287,595.70 and 7,428,614.76

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Solution

The fourth proportional to 8,197,563.96, 11,287,595.70 and 7,428,614.76 is: 10,228,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,563.96 : 11,287,595.70 = 7,428,614.76 : x
  2. Step 2: Convert to fraction form
    8,197,563.96/11,287,595.70 = 7,428,614.76/x
  3. Step 3: Cross multiply
    8,197,563.96x = 11,287,595.70 × 7,428,614.76
  4. Step 4: Simplify right side
    8,197,563.96x = 83,851,200,021,932.53
  5. Step 5: Solve for x
    x = 83,851,200,021,932.53/8,197,563.96
  6. Step 6: Final answer
    x = 10,228,794.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.