Home / 10,647,260.40-15,970,890.60-6,608,308.80

Finding the Fourth Proportional to 10,647,260.40, 15,970,890.60 and 6,608,308.80

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Solution

The fourth proportional to 10,647,260.40, 15,970,890.60 and 6,608,308.80 is: 9,912,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,260.40 : 15,970,890.60 = 6,608,308.80 : x
  2. Step 2: Convert to fraction form
    10,647,260.40/15,970,890.60 = 6,608,308.80/x
  3. Step 3: Cross multiply
    10,647,260.40x = 15,970,890.60 × 6,608,308.80
  4. Step 4: Simplify right side
    10,647,260.40x = 105,540,576,895,817.28
  5. Step 5: Solve for x
    x = 105,540,576,895,817.28/10,647,260.40
  6. Step 6: Final answer
    x = 9,912,463.20

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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.