Home / 6,687,931.30-9,230,133.09-3,971,677.30

Finding the Fourth Proportional to 6,687,931.30, 9,230,133.09 and 3,971,677.30

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Solution

The fourth proportional to 6,687,931.30, 9,230,133.09 and 3,971,677.30 is: 5,481,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,931.30 : 9,230,133.09 = 3,971,677.30 : x
  2. Step 2: Convert to fraction form
    6,687,931.30/9,230,133.09 = 3,971,677.30/x
  3. Step 3: Cross multiply
    6,687,931.30x = 9,230,133.09 × 3,971,677.30
  4. Step 4: Simplify right side
    6,687,931.30x = 36,659,110,069,531.85
  5. Step 5: Solve for x
    x = 36,659,110,069,531.85/6,687,931.30
  6. Step 6: Final answer
    x = 5,481,382.57

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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.