Home / 8,894,589.20-12,275,849.40-5,631,707.24

Finding the Fourth Proportional to 8,894,589.20, 12,275,849.40 and 5,631,707.24

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Solution

The fourth proportional to 8,894,589.20, 12,275,849.40 and 5,631,707.24 is: 7,772,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894,589.20 : 12,275,849.40 = 5,631,707.24 : x
  2. Step 2: Convert to fraction form
    8,894,589.20/12,275,849.40 = 5,631,707.24/x
  3. Step 3: Cross multiply
    8,894,589.20x = 12,275,849.40 × 5,631,707.24
  4. Step 4: Simplify right side
    8,894,589.20x = 69,133,989,943,129.66
  5. Step 5: Solve for x
    x = 69,133,989,943,129.66/8,894,589.20
  6. Step 6: Final answer
    x = 7,772,589.42

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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.