Home / 21,984,860.40-32,989,100.40-9,206,656.80

Finding the Fourth Proportional to 21,984,860.40, 32,989,100.40 and 9,206,656.80

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Solution

The fourth proportional to 21,984,860.40, 32,989,100.40 and 9,206,656.80 is: 13,814,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,860.40 : 32,989,100.40 = 9,206,656.80 : x
  2. Step 2: Convert to fraction form
    21,984,860.40/32,989,100.40 = 9,206,656.80/x
  3. Step 3: Cross multiply
    21,984,860.40x = 32,989,100.40 × 9,206,656.80
  4. Step 4: Simplify right side
    21,984,860.40x = 303,719,325,523,542.75
  5. Step 5: Solve for x
    x = 303,719,325,523,542.75/21,984,860.40
  6. Step 6: Final answer
    x = 13,814,930.82

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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.