Home / 25,867,999.20-38,801,998.80-17,805,842.40

Finding the Fourth Proportional to 25,867,999.20, 38,801,998.80 and 17,805,842.40

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Solution

The fourth proportional to 25,867,999.20, 38,801,998.80 and 17,805,842.40 is: 26,708,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867,999.20 : 38,801,998.80 = 17,805,842.40 : x
  2. Step 2: Convert to fraction form
    25,867,999.20/38,801,998.80 = 17,805,842.40/x
  3. Step 3: Cross multiply
    25,867,999.20x = 38,801,998.80 × 17,805,842.40
  4. Step 4: Simplify right side
    25,867,999.20x = 690,902,275,437,789
  5. Step 5: Solve for x
    x = 690,902,275,437,789/25,867,999.20
  6. Step 6: Final answer
    x = 26,708,763.60

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1.5x scale

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.