Home / 19,479,716.79-29,223,560.45-6,698,561.55

Finding the Fourth Proportional to 19,479,716.79, 29,223,560.45 and 6,698,561.55

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Solution

The fourth proportional to 19,479,716.79, 29,223,560.45 and 6,698,561.55 is: 10,049,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,716.79 : 29,223,560.45 = 6,698,561.55 : x
  2. Step 2: Convert to fraction form
    19,479,716.79/29,223,560.45 = 6,698,561.55/x
  3. Step 3: Cross multiply
    19,479,716.79x = 29,223,560.45 × 6,698,561.55
  4. Step 4: Simplify right side
    19,479,716.79x = 195,755,818,384,470.69
  5. Step 5: Solve for x
    x = 195,755,818,384,470.69/19,479,716.79
  6. Step 6: Final answer
    x = 10,049,212.75

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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.