Home / 7,378,749.12-10,182,687.76-4,115,775.23

Finding the Fourth Proportional to 7,378,749.12, 10,182,687.76 and 4,115,775.23

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Solution

The fourth proportional to 7,378,749.12, 10,182,687.76 and 4,115,775.23 is: 5,679,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,749.12 : 10,182,687.76 = 4,115,775.23 : x
  2. Step 2: Convert to fraction form
    7,378,749.12/10,182,687.76 = 4,115,775.23/x
  3. Step 3: Cross multiply
    7,378,749.12x = 10,182,687.76 × 4,115,775.23
  4. Step 4: Simplify right side
    7,378,749.12x = 41,909,654,057,432.19
  5. Step 5: Solve for x
    x = 41,909,654,057,432.19/7,378,749.12
  6. Step 6: Final answer
    x = 5,679,777.61

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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.