Home / 10,372,299.20-15,546,007.20-5,321,009.60

Finding the Fourth Proportional to 10,372,299.20, 15,546,007.20 and 5,321,009.60

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Solution

The fourth proportional to 10,372,299.20, 15,546,007.20 and 5,321,009.60 is: 7,975,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,299.20 : 15,546,007.20 = 5,321,009.60 : x
  2. Step 2: Convert to fraction form
    10,372,299.20/15,546,007.20 = 5,321,009.60/x
  3. Step 3: Cross multiply
    10,372,299.20x = 15,546,007.20 × 5,321,009.60
  4. Step 4: Simplify right side
    10,372,299.20x = 82,720,453,552,869.11
  5. Step 5: Solve for x
    x = 82,720,453,552,869.11/10,372,299.20
  6. Step 6: Final answer
    x = 7,975,131.84

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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.