Home / 10,372,296.20-15,546,002.70-5,321,006.60

Finding the Fourth Proportional to 10,372,296.20, 15,546,002.70 and 5,321,006.60

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Solution

The fourth proportional to 10,372,296.20, 15,546,002.70 and 5,321,006.60 is: 7,975,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,296.20 : 15,546,002.70 = 5,321,006.60 : x
  2. Step 2: Convert to fraction form
    10,372,296.20/15,546,002.70 = 5,321,006.60/x
  3. Step 3: Cross multiply
    10,372,296.20x = 15,546,002.70 × 5,321,006.60
  4. Step 4: Simplify right side
    10,372,296.20x = 82,720,382,970,317.81
  5. Step 5: Solve for x
    x = 82,720,382,970,317.81/10,372,296.20
  6. Step 6: Final answer
    x = 7,975,127.34

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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.