Home / 9,216,380.61-12,719,326.62-5,087,231.66

Finding the Fourth Proportional to 9,216,380.61, 12,719,326.62 and 5,087,231.66

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Solution

The fourth proportional to 9,216,380.61, 12,719,326.62 and 5,087,231.66 is: 7,020,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216,380.61 : 12,719,326.62 = 5,087,231.66 : x
  2. Step 2: Convert to fraction form
    9,216,380.61/12,719,326.62 = 5,087,231.66/x
  3. Step 3: Cross multiply
    9,216,380.61x = 12,719,326.62 × 5,087,231.66
  4. Step 4: Simplify right side
    9,216,380.61x = 64,706,161,126,020.22
  5. Step 5: Solve for x
    x = 64,706,161,126,020.22/9,216,380.61
  6. Step 6: Final answer
    x = 7,020,777.88

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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.