Home / 31,385,711.20-43,313,556.72-17,634,632.80

Finding the Fourth Proportional to 31,385,711.20, 43,313,556.72 and 17,634,632.80

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Solution

The fourth proportional to 31,385,711.20, 43,313,556.72 and 17,634,632.80 is: 24,336,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385,711.20 : 43,313,556.72 = 17,634,632.80 : x
  2. Step 2: Convert to fraction form
    31,385,711.20/43,313,556.72 = 17,634,632.80/x
  3. Step 3: Cross multiply
    31,385,711.20x = 43,313,556.72 × 17,634,632.80
  4. Step 4: Simplify right side
    31,385,711.20x = 763,818,668,019,172.38
  5. Step 5: Solve for x
    x = 763,818,668,019,172.38/31,385,711.20
  6. Step 6: Final answer
    x = 24,336,509.79

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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.