Home / 39,332,180.40-54,278,636.40-21,929,609.04

Finding the Fourth Proportional to 39,332,180.40, 54,278,636.40 and 21,929,609.04

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Solution

The fourth proportional to 39,332,180.40, 54,278,636.40 and 21,929,609.04 is: 30,262,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332,180.40 : 54,278,636.40 = 21,929,609.04 : x
  2. Step 2: Convert to fraction form
    39,332,180.40/54,278,636.40 = 21,929,609.04/x
  3. Step 3: Cross multiply
    39,332,180.40x = 54,278,636.40 × 21,929,609.04
  4. Step 4: Simplify right side
    39,332,180.40x = 1,190,309,275,476,313
  5. Step 5: Solve for x
    x = 1,190,309,275,476,313/39,332,180.40
  6. Step 6: Final answer
    x = 30,262,987.29

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1.5x scale

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.