Home / 10,449,007.60-15,673,511.40-7,898,090.80

Finding the Fourth Proportional to 10,449,007.60, 15,673,511.40 and 7,898,090.80

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Solution

The fourth proportional to 10,449,007.60, 15,673,511.40 and 7,898,090.80 is: 11,847,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,007.60 : 15,673,511.40 = 7,898,090.80 : x
  2. Step 2: Convert to fraction form
    10,449,007.60/15,673,511.40 = 7,898,090.80/x
  3. Step 3: Cross multiply
    10,449,007.60x = 15,673,511.40 × 7,898,090.80
  4. Step 4: Simplify right side
    10,449,007.60x = 123,790,816,192,035.12
  5. Step 5: Solve for x
    x = 123,790,816,192,035.12/10,449,007.60
  6. Step 6: Final answer
    x = 11,847,136.20

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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.