Home / 15,365,254.02-21,204,007.02-8,489,687.10

Finding the Fourth Proportional to 15,365,254.02, 21,204,007.02 and 8,489,687.10

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Solution

The fourth proportional to 15,365,254.02, 21,204,007.02 and 8,489,687.10 is: 11,715,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,254.02 : 21,204,007.02 = 8,489,687.10 : x
  2. Step 2: Convert to fraction form
    15,365,254.02/21,204,007.02 = 8,489,687.10/x
  3. Step 3: Cross multiply
    15,365,254.02x = 21,204,007.02 × 8,489,687.10
  4. Step 4: Simplify right side
    15,365,254.02x = 180,015,384,866,003.44
  5. Step 5: Solve for x
    x = 180,015,384,866,003.44/15,365,254.02
  6. Step 6: Final answer
    x = 11,715,744.15

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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.