Home / 10,719,025.70-16,078,538.55-9,177,846.80

Finding the Fourth Proportional to 10,719,025.70, 16,078,538.55 and 9,177,846.80

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Solution

The fourth proportional to 10,719,025.70, 16,078,538.55 and 9,177,846.80 is: 13,766,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719,025.70 : 16,078,538.55 = 9,177,846.80 : x
  2. Step 2: Convert to fraction form
    10,719,025.70/16,078,538.55 = 9,177,846.80/x
  3. Step 3: Cross multiply
    10,719,025.70x = 16,078,538.55 × 9,177,846.80
  4. Step 4: Simplify right side
    10,719,025.70x = 147,566,363,579,794.16
  5. Step 5: Solve for x
    x = 147,566,363,579,794.16/10,719,025.70
  6. Step 6: Final answer
    x = 13,766,770.20

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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.