Home / 10,359,321.70-15,538,982.55-5,320,473.70

Finding the Fourth Proportional to 10,359,321.70, 15,538,982.55 and 5,320,473.70

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Solution

The fourth proportional to 10,359,321.70, 15,538,982.55 and 5,320,473.70 is: 7,980,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,321.70 : 15,538,982.55 = 5,320,473.70 : x
  2. Step 2: Convert to fraction form
    10,359,321.70/15,538,982.55 = 5,320,473.70/x
  3. Step 3: Cross multiply
    10,359,321.70x = 15,538,982.55 × 5,320,473.70
  4. Step 4: Simplify right side
    10,359,321.70x = 82,674,747,982,033.94
  5. Step 5: Solve for x
    x = 82,674,747,982,033.94/10,359,321.70
  6. Step 6: Final answer
    x = 7,980,710.55

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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.