Home / 20,941,532.94-31,412,066.11-8,171,008.14

Finding the Fourth Proportional to 20,941,532.94, 31,412,066.11 and 8,171,008.14

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Solution

The fourth proportional to 20,941,532.94, 31,412,066.11 and 8,171,008.14 is: 12,256,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941,532.94 : 31,412,066.11 = 8,171,008.14 : x
  2. Step 2: Convert to fraction form
    20,941,532.94/31,412,066.11 = 8,171,008.14/x
  3. Step 3: Cross multiply
    20,941,532.94x = 31,412,066.11 × 8,171,008.14
  4. Step 4: Simplify right side
    20,941,532.94x = 256,668,247,879,028.12
  5. Step 5: Solve for x
    x = 256,668,247,879,028.12/20,941,532.94
  6. Step 6: Final answer
    x = 12,256,421.18

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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.