Home / 11,817,310.80-16,321,340.94-7,943,105.91

Finding the Fourth Proportional to 11,817,310.80, 16,321,340.94 and 7,943,105.91

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Solution

The fourth proportional to 11,817,310.80, 16,321,340.94 and 7,943,105.91 is: 10,970,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,310.80 : 16,321,340.94 = 7,943,105.91 : x
  2. Step 2: Convert to fraction form
    11,817,310.80/16,321,340.94 = 7,943,105.91/x
  3. Step 3: Cross multiply
    11,817,310.80x = 16,321,340.94 × 7,943,105.91
  4. Step 4: Simplify right side
    11,817,310.80x = 129,642,139,679,638.95
  5. Step 5: Solve for x
    x = 129,642,139,679,638.95/11,817,310.80
  6. Step 6: Final answer
    x = 10,970,528.06

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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.