Home / 38,948,584.40-53,735,991.72-22,428,352.88

Finding the Fourth Proportional to 38,948,584.40, 53,735,991.72 and 22,428,352.88

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Solution

The fourth proportional to 38,948,584.40, 53,735,991.72 and 22,428,352.88 is: 30,943,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948,584.40 : 53,735,991.72 = 22,428,352.88 : x
  2. Step 2: Convert to fraction form
    38,948,584.40/53,735,991.72 = 22,428,352.88/x
  3. Step 3: Cross multiply
    38,948,584.40x = 53,735,991.72 × 22,428,352.88
  4. Step 4: Simplify right side
    38,948,584.40x = 1,205,209,784,652,918
  5. Step 5: Solve for x
    x = 1,205,209,784,652,918/38,948,584.40
  6. Step 6: Final answer
    x = 30,943,609.46

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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.