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Finding the Fourth Proportional to 22,017,066.30, 33,025,599.45 and 20,422,743.30

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Solution

The fourth proportional to 22,017,066.30, 33,025,599.45 and 20,422,743.30 is: 30,634,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017,066.30 : 33,025,599.45 = 20,422,743.30 : x
  2. Step 2: Convert to fraction form
    22,017,066.30/33,025,599.45 = 20,422,743.30/x
  3. Step 3: Cross multiply
    22,017,066.30x = 33,025,599.45 × 20,422,743.30
  4. Step 4: Simplify right side
    22,017,066.30x = 674,473,339,895,971.25
  5. Step 5: Solve for x
    x = 674,473,339,895,971.25/22,017,066.30
  6. Step 6: Final answer
    x = 30,634,114.95

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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.