Home / 21,892,851.20-32,825,367.04-19,202,578.56

Finding the Fourth Proportional to 21,892,851.20, 32,825,367.04 and 19,202,578.56

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Solution

The fourth proportional to 21,892,851.20, 32,825,367.04 and 19,202,578.56 is: 28,791,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,851.20 : 32,825,367.04 = 19,202,578.56 : x
  2. Step 2: Convert to fraction form
    21,892,851.20/32,825,367.04 = 19,202,578.56/x
  3. Step 3: Cross multiply
    21,892,851.20x = 32,825,367.04 × 19,202,578.56
  4. Step 4: Simplify right side
    21,892,851.20x = 630,331,689,346,434.62
  5. Step 5: Solve for x
    x = 630,331,689,346,434.62/21,892,851.20
  6. Step 6: Final answer
    x = 28,791,667.36

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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.