Home / 9,539,882.72-13,163,842.53-6,449,131.43

Finding the Fourth Proportional to 9,539,882.72, 13,163,842.53 and 6,449,131.43

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Solution

The fourth proportional to 9,539,882.72, 13,163,842.53 and 6,449,131.43 is: 8,898,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539,882.72 : 13,163,842.53 = 6,449,131.43 : x
  2. Step 2: Convert to fraction form
    9,539,882.72/13,163,842.53 = 6,449,131.43/x
  3. Step 3: Cross multiply
    9,539,882.72x = 13,163,842.53 × 6,449,131.43
  4. Step 4: Simplify right side
    9,539,882.72x = 84,895,350,533,974.50
  5. Step 5: Solve for x
    x = 84,895,350,533,974.50/9,539,882.72
  6. Step 6: Final answer
    x = 8,898,993.11

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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.