Home / 21,726,578.30-32,589,867.45-9,782,642.30

Finding the Fourth Proportional to 21,726,578.30, 32,589,867.45 and 9,782,642.30

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Solution

The fourth proportional to 21,726,578.30, 32,589,867.45 and 9,782,642.30 is: 14,673,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,578.30 : 32,589,867.45 = 9,782,642.30 : x
  2. Step 2: Convert to fraction form
    21,726,578.30/32,589,867.45 = 9,782,642.30/x
  3. Step 3: Cross multiply
    21,726,578.30x = 32,589,867.45 × 9,782,642.30
  4. Step 4: Simplify right side
    21,726,578.30x = 318,815,015,867,763.12
  5. Step 5: Solve for x
    x = 318,815,015,867,763.12/21,726,578.30
  6. Step 6: Final answer
    x = 14,673,963.45

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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.