Home / 10,693,900.80-16,040,851.20-6,442,372.80

Finding the Fourth Proportional to 10,693,900.80, 16,040,851.20 and 6,442,372.80

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Solution

The fourth proportional to 10,693,900.80, 16,040,851.20 and 6,442,372.80 is: 9,663,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,693,900.80 : 16,040,851.20 = 6,442,372.80 : x
  2. Step 2: Convert to fraction form
    10,693,900.80/16,040,851.20 = 6,442,372.80/x
  3. Step 3: Cross multiply
    10,693,900.80x = 16,040,851.20 × 6,442,372.80
  4. Step 4: Simplify right side
    10,693,900.80x = 103,341,143,459,727.36
  5. Step 5: Solve for x
    x = 103,341,143,459,727.36/10,693,900.80
  6. Step 6: Final answer
    x = 9,663,559.20

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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.