Home / 20,463,192.92-30,668,133.48-8,318,470.28

Finding the Fourth Proportional to 20,463,192.92, 30,668,133.48 and 8,318,470.28

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Solution

The fourth proportional to 20,463,192.92, 30,668,133.48 and 8,318,470.28 is: 12,466,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,192.92 : 30,668,133.48 = 8,318,470.28 : x
  2. Step 2: Convert to fraction form
    20,463,192.92/30,668,133.48 = 8,318,470.28/x
  3. Step 3: Cross multiply
    20,463,192.92x = 30,668,133.48 × 8,318,470.28
  4. Step 4: Simplify right side
    20,463,192.92x = 255,111,956,743,112.31
  5. Step 5: Solve for x
    x = 255,111,956,743,112.31/20,463,192.92
  6. Step 6: Final answer
    x = 12,466,869.55

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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.