Home / 10,668,546.28-15,986,654.52-7,061,390.44

Finding the Fourth Proportional to 10,668,546.28, 15,986,654.52 and 7,061,390.44

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Solution

The fourth proportional to 10,668,546.28, 15,986,654.52 and 7,061,390.44 is: 10,581,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668,546.28 : 15,986,654.52 = 7,061,390.44 : x
  2. Step 2: Convert to fraction form
    10,668,546.28/15,986,654.52 = 7,061,390.44/x
  3. Step 3: Cross multiply
    10,668,546.28x = 15,986,654.52 × 7,061,390.44
  4. Step 4: Simplify right side
    10,668,546.28x = 112,888,009,395,110.80
  5. Step 5: Solve for x
    x = 112,888,009,395,110.80/10,668,546.28
  6. Step 6: Final answer
    x = 10,581,386.30

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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.