Home / 15,563,012.60-21,476,066.46-8,687,930.24

Finding the Fourth Proportional to 15,563,012.60, 21,476,066.46 and 8,687,930.24

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Solution

The fourth proportional to 15,563,012.60, 21,476,066.46 and 8,687,930.24 is: 11,988,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563,012.60 : 21,476,066.46 = 8,687,930.24 : x
  2. Step 2: Convert to fraction form
    15,563,012.60/21,476,066.46 = 8,687,930.24/x
  3. Step 3: Cross multiply
    15,563,012.60x = 21,476,066.46 × 8,687,930.24
  4. Step 4: Simplify right side
    15,563,012.60x = 186,582,567,234,083.75
  5. Step 5: Solve for x
    x = 186,582,567,234,083.75/15,563,012.60
  6. Step 6: Final answer
    x = 11,988,846.38

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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.