Home / 39,195,521.70-58,789,480.95-11,902,050.78

Finding the Fourth Proportional to 39,195,521.70, 58,789,480.95 and 11,902,050.78

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Solution

The fourth proportional to 39,195,521.70, 58,789,480.95 and 11,902,050.78 is: 17,851,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195,521.70 : 58,789,480.95 = 11,902,050.78 : x
  2. Step 2: Convert to fraction form
    39,195,521.70/58,789,480.95 = 11,902,050.78/x
  3. Step 3: Cross multiply
    39,195,521.70x = 58,789,480.95 × 11,902,050.78
  4. Step 4: Simplify right side
    39,195,521.70x = 699,715,387,596,742.62
  5. Step 5: Solve for x
    x = 699,715,387,596,742.62/39,195,521.70
  6. Step 6: Final answer
    x = 17,851,921.78

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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.