Home / 10,372,309.20-15,546,022.20-5,321,019.60

Finding the Fourth Proportional to 10,372,309.20, 15,546,022.20 and 5,321,019.60

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Solution

The fourth proportional to 10,372,309.20, 15,546,022.20 and 5,321,019.60 is: 7,975,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,309.20 : 15,546,022.20 = 5,321,019.60 : x
  2. Step 2: Convert to fraction form
    10,372,309.20/15,546,022.20 = 5,321,019.60/x
  3. Step 3: Cross multiply
    10,372,309.20x = 15,546,022.20 × 5,321,019.60
  4. Step 4: Simplify right side
    10,372,309.20x = 82,720,688,828,235.11
  5. Step 5: Solve for x
    x = 82,720,688,828,235.11/10,372,309.20
  6. Step 6: Final answer
    x = 7,975,146.83

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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.