Home / 10,347,805.20-15,521,707.80-3,954,766.80

Finding the Fourth Proportional to 10,347,805.20, 15,521,707.80 and 3,954,766.80

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Solution

The fourth proportional to 10,347,805.20, 15,521,707.80 and 3,954,766.80 is: 5,932,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,805.20 : 15,521,707.80 = 3,954,766.80 : x
  2. Step 2: Convert to fraction form
    10,347,805.20/15,521,707.80 = 3,954,766.80/x
  3. Step 3: Cross multiply
    10,347,805.20x = 15,521,707.80 × 3,954,766.80
  4. Step 4: Simplify right side
    10,347,805.20x = 61,384,734,686,741.04
  5. Step 5: Solve for x
    x = 61,384,734,686,741.04/10,347,805.20
  6. Step 6: Final answer
    x = 5,932,150.20

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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.