Home / 10,996,505.80-16,498,905.90-5,321,753.80

Finding the Fourth Proportional to 10,996,505.80, 16,498,905.90 and 5,321,753.80

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Solution

The fourth proportional to 10,996,505.80, 16,498,905.90 and 5,321,753.80 is: 7,984,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996,505.80 : 16,498,905.90 = 5,321,753.80 : x
  2. Step 2: Convert to fraction form
    10,996,505.80/16,498,905.90 = 5,321,753.80/x
  3. Step 3: Cross multiply
    10,996,505.80x = 16,498,905.90 × 5,321,753.80
  4. Step 4: Simplify right side
    10,996,505.80x = 87,803,115,169,167.42
  5. Step 5: Solve for x
    x = 87,803,115,169,167.42/10,996,505.80
  6. Step 6: Final answer
    x = 7,984,637.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.