Home / 31,375,965.06-47,066,661.90-8,656,859.88

Finding the Fourth Proportional to 31,375,965.06, 47,066,661.90 and 8,656,859.88

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Solution

The fourth proportional to 31,375,965.06, 47,066,661.90 and 8,656,859.88 is: 12,986,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375,965.06 : 47,066,661.90 = 8,656,859.88 : x
  2. Step 2: Convert to fraction form
    31,375,965.06/47,066,661.90 = 8,656,859.88/x
  3. Step 3: Cross multiply
    31,375,965.06x = 47,066,661.90 × 8,656,859.88
  4. Step 4: Simplify right side
    31,375,965.06x = 407,449,497,087,634.62
  5. Step 5: Solve for x
    x = 407,449,497,087,634.62/31,375,965.06
  6. Step 6: Final answer
    x = 12,986,038.72

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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.