Home / 11,817,310.30-16,321,340.25-7,943,105.41

Finding the Fourth Proportional to 11,817,310.30, 16,321,340.25 and 7,943,105.41

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Solution

The fourth proportional to 11,817,310.30, 16,321,340.25 and 7,943,105.41 is: 10,970,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,310.30 : 16,321,340.25 = 7,943,105.41 : x
  2. Step 2: Convert to fraction form
    11,817,310.30/16,321,340.25 = 7,943,105.41/x
  3. Step 3: Cross multiply
    11,817,310.30x = 16,321,340.25 × 7,943,105.41
  4. Step 4: Simplify right side
    11,817,310.30x = 129,642,126,038,225.75
  5. Step 5: Solve for x
    x = 129,642,126,038,225.75/11,817,310.30
  6. Step 6: Final answer
    x = 10,970,527.37

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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.