Home / 25,921,657.80-38,882,486.70-21,764,608.20

Finding the Fourth Proportional to 25,921,657.80, 38,882,486.70 and 21,764,608.20

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Solution

The fourth proportional to 25,921,657.80, 38,882,486.70 and 21,764,608.20 is: 32,646,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921,657.80 : 38,882,486.70 = 21,764,608.20 : x
  2. Step 2: Convert to fraction form
    25,921,657.80/38,882,486.70 = 21,764,608.20/x
  3. Step 3: Cross multiply
    25,921,657.80x = 38,882,486.70 × 21,764,608.20
  4. Step 4: Simplify right side
    25,921,657.80x = 846,262,088,867,211
  5. Step 5: Solve for x
    x = 846,262,088,867,211/25,921,657.80
  6. Step 6: Final answer
    x = 32,646,912.30

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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.