Home / 22,131,931.20-33,197,896.80-6,985,862.70

Finding the Fourth Proportional to 22,131,931.20, 33,197,896.80 and 6,985,862.70

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Solution

The fourth proportional to 22,131,931.20, 33,197,896.80 and 6,985,862.70 is: 10,478,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131,931.20 : 33,197,896.80 = 6,985,862.70 : x
  2. Step 2: Convert to fraction form
    22,131,931.20/33,197,896.80 = 6,985,862.70/x
  3. Step 3: Cross multiply
    22,131,931.20x = 33,197,896.80 × 6,985,862.70
  4. Step 4: Simplify right side
    22,131,931.20x = 231,915,948,973,569.38
  5. Step 5: Solve for x
    x = 231,915,948,973,569.38/22,131,931.20
  6. Step 6: Final answer
    x = 10,478,794.05

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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.