Home / 33,264,890.40-49,897,335.60-20,499,808.80

Finding the Fourth Proportional to 33,264,890.40, 49,897,335.60 and 20,499,808.80

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Solution

The fourth proportional to 33,264,890.40, 49,897,335.60 and 20,499,808.80 is: 30,749,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264,890.40 : 49,897,335.60 = 20,499,808.80 : x
  2. Step 2: Convert to fraction form
    33,264,890.40/49,897,335.60 = 20,499,808.80/x
  3. Step 3: Cross multiply
    33,264,890.40x = 49,897,335.60 × 20,499,808.80
  4. Step 4: Simplify right side
    33,264,890.40x = 1,022,885,839,429,433.38
  5. Step 5: Solve for x
    x = 1,022,885,839,429,433.38/33,264,890.40
  6. Step 6: Final answer
    x = 30,749,713.20

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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.