Home / 33,216,370.68-45,839,951.82-20,988,766.20

Finding the Fourth Proportional to 33,216,370.68, 45,839,951.82 and 20,988,766.20

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Solution

The fourth proportional to 33,216,370.68, 45,839,951.82 and 20,988,766.20 is: 28,965,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216,370.68 : 45,839,951.82 = 20,988,766.20 : x
  2. Step 2: Convert to fraction form
    33,216,370.68/45,839,951.82 = 20,988,766.20/x
  3. Step 3: Cross multiply
    33,216,370.68x = 45,839,951.82 × 20,988,766.20
  4. Step 4: Simplify right side
    33,216,370.68x = 962,124,031,369,244.50
  5. Step 5: Solve for x
    x = 962,124,031,369,244.50/33,216,370.68
  6. Step 6: Final answer
    x = 28,965,356.89

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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.