Home / 10,873,429.67-15,005,388.79-5,978,967.41

Finding the Fourth Proportional to 10,873,429.67, 15,005,388.79 and 5,978,967.41

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Solution

The fourth proportional to 10,873,429.67, 15,005,388.79 and 5,978,967.41 is: 8,251,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,429.67 : 15,005,388.79 = 5,978,967.41 : x
  2. Step 2: Convert to fraction form
    10,873,429.67/15,005,388.79 = 5,978,967.41/x
  3. Step 3: Cross multiply
    10,873,429.67x = 15,005,388.79 × 5,978,967.41
  4. Step 4: Simplify right side
    10,873,429.67x = 89,716,730,459,814.97
  5. Step 5: Solve for x
    x = 89,716,730,459,814.97/10,873,429.67
  6. Step 6: Final answer
    x = 8,251,005.73

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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.