Home / 9,448,720.56-13,041,367.20-5,780,694.96

Finding the Fourth Proportional to 9,448,720.56, 13,041,367.20 and 5,780,694.96

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Solution

The fourth proportional to 9,448,720.56, 13,041,367.20 and 5,780,694.96 is: 7,978,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448,720.56 : 13,041,367.20 = 5,780,694.96 : x
  2. Step 2: Convert to fraction form
    9,448,720.56/13,041,367.20 = 5,780,694.96/x
  3. Step 3: Cross multiply
    9,448,720.56x = 13,041,367.20 × 5,780,694.96
  4. Step 4: Simplify right side
    9,448,720.56x = 75,388,165,644,549.31
  5. Step 5: Solve for x
    x = 75,388,165,644,549.31/9,448,720.56
  6. Step 6: Final answer
    x = 7,978,663.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.