Home / 10,305,004.80-15,445,065.60-5,253,715.20

Finding the Fourth Proportional to 10,305,004.80, 15,445,065.60 and 5,253,715.20

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Solution

The fourth proportional to 10,305,004.80, 15,445,065.60 and 5,253,715.20 is: 7,874,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305,004.80 : 15,445,065.60 = 5,253,715.20 : x
  2. Step 2: Convert to fraction form
    10,305,004.80/15,445,065.60 = 5,253,715.20/x
  3. Step 3: Cross multiply
    10,305,004.80x = 15,445,065.60 × 5,253,715.20
  4. Step 4: Simplify right side
    10,305,004.80x = 81,143,975,907,717.12
  5. Step 5: Solve for x
    x = 81,143,975,907,717.12/10,305,004.80
  6. Step 6: Final answer
    x = 7,874,229.80

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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.