Home / 8,687,015.76-11,987,945.28-4,766,803.68

Finding the Fourth Proportional to 8,687,015.76, 11,987,945.28 and 4,766,803.68

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Solution

The fourth proportional to 8,687,015.76, 11,987,945.28 and 4,766,803.68 is: 6,578,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,015.76 : 11,987,945.28 = 4,766,803.68 : x
  2. Step 2: Convert to fraction form
    8,687,015.76/11,987,945.28 = 4,766,803.68/x
  3. Step 3: Cross multiply
    8,687,015.76x = 11,987,945.28 × 4,766,803.68
  4. Step 4: Simplify right side
    8,687,015.76x = 57,144,181,676,342.62
  5. Step 5: Solve for x
    x = 57,144,181,676,342.62/8,687,015.76
  6. Step 6: Final answer
    x = 6,578,114.19

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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.