Home / 10,561,992.40-15,853,486.20-5,176,723.60

Finding the Fourth Proportional to 10,561,992.40, 15,853,486.20 and 5,176,723.60

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Solution

The fourth proportional to 10,561,992.40, 15,853,486.20 and 5,176,723.60 is: 7,770,230.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,992.40 : 15,853,486.20 = 5,176,723.60 : x
  2. Step 2: Convert to fraction form
    10,561,992.40/15,853,486.20 = 5,176,723.60/x
  3. Step 3: Cross multiply
    10,561,992.40x = 15,853,486.20 × 5,176,723.60
  4. Step 4: Simplify right side
    10,561,992.40x = 82,069,116,153,814.31
  5. Step 5: Solve for x
    x = 82,069,116,153,814.31/10,561,992.40
  6. Step 6: Final answer
    x = 7,770,230.56

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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.