Home / 36,640,911.30-54,982,362.15-13,938,101.70

Finding the Fourth Proportional to 36,640,911.30, 54,982,362.15 and 13,938,101.70

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Solution

The fourth proportional to 36,640,911.30, 54,982,362.15 and 13,938,101.70 is: 20,915,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640,911.30 : 54,982,362.15 = 13,938,101.70 : x
  2. Step 2: Convert to fraction form
    36,640,911.30/54,982,362.15 = 13,938,101.70/x
  3. Step 3: Cross multiply
    36,640,911.30x = 54,982,362.15 × 13,938,101.70
  4. Step 4: Simplify right side
    36,640,911.30x = 766,349,755,352,930.62
  5. Step 5: Solve for x
    x = 766,349,755,352,930.62/36,640,911.30
  6. Step 6: Final answer
    x = 20,915,139.07

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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.