Home / 10,647,207.20-15,970,810.80-7,245,984.80

Finding the Fourth Proportional to 10,647,207.20, 15,970,810.80 and 7,245,984.80

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Solution

The fourth proportional to 10,647,207.20, 15,970,810.80 and 7,245,984.80 is: 10,868,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,207.20 : 15,970,810.80 = 7,245,984.80 : x
  2. Step 2: Convert to fraction form
    10,647,207.20/15,970,810.80 = 7,245,984.80/x
  3. Step 3: Cross multiply
    10,647,207.20x = 15,970,810.80 × 7,245,984.80
  4. Step 4: Simplify right side
    10,647,207.20x = 115,724,252,300,475.84
  5. Step 5: Solve for x
    x = 115,724,252,300,475.84/10,647,207.20
  6. Step 6: Final answer
    x = 10,868,977.20

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Double scale
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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.