Home / 21,916,243.20-32,874,364.80-9,948,979.20

Finding the Fourth Proportional to 21,916,243.20, 32,874,364.80 and 9,948,979.20

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Solution

The fourth proportional to 21,916,243.20, 32,874,364.80 and 9,948,979.20 is: 14,923,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,916,243.20 : 32,874,364.80 = 9,948,979.20 : x
  2. Step 2: Convert to fraction form
    21,916,243.20/32,874,364.80 = 9,948,979.20/x
  3. Step 3: Cross multiply
    21,916,243.20x = 32,874,364.80 × 9,948,979.20
  4. Step 4: Simplify right side
    21,916,243.20x = 327,066,371,608,412.12
  5. Step 5: Solve for x
    x = 327,066,371,608,412.12/21,916,243.20
  6. Step 6: Final answer
    x = 14,923,468.80

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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.