Home / 7,810,079.31-11,723,400.41-6,917,316.75

Finding the Fourth Proportional to 7,810,079.31, 11,723,400.41 and 6,917,316.75

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Solution

The fourth proportional to 7,810,079.31, 11,723,400.41 and 6,917,316.75 is: 10,383,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,079.31 : 11,723,400.41 = 6,917,316.75 : x
  2. Step 2: Convert to fraction form
    7,810,079.31/11,723,400.41 = 6,917,316.75/x
  3. Step 3: Cross multiply
    7,810,079.31x = 11,723,400.41 × 6,917,316.75
  4. Step 4: Simplify right side
    7,810,079.31x = 81,094,473,988,463.28
  5. Step 5: Solve for x
    x = 81,094,473,988,463.28/7,810,079.31
  6. Step 6: Final answer
    x = 10,383,309.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.