Home / 11,499,486.65-15,871,010.02-7,374,175.88

Finding the Fourth Proportional to 11,499,486.65, 15,871,010.02 and 7,374,175.88

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Solution

The fourth proportional to 11,499,486.65, 15,871,010.02 and 7,374,175.88 is: 10,177,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499,486.65 : 15,871,010.02 = 7,374,175.88 : x
  2. Step 2: Convert to fraction form
    11,499,486.65/15,871,010.02 = 7,374,175.88/x
  3. Step 3: Cross multiply
    11,499,486.65x = 15,871,010.02 × 7,374,175.88
  4. Step 4: Simplify right side
    11,499,486.65x = 117,035,619,337,587.05
  5. Step 5: Solve for x
    x = 117,035,619,337,587.05/11,499,486.65
  6. Step 6: Final answer
    x = 10,177,464.69

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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.