Home / 20,541,664.80-30,812,497.20-5,188,924.80

Finding the Fourth Proportional to 20,541,664.80, 30,812,497.20 and 5,188,924.80

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Solution

The fourth proportional to 20,541,664.80, 30,812,497.20 and 5,188,924.80 is: 7,783,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,664.80 : 30,812,497.20 = 5,188,924.80 : x
  2. Step 2: Convert to fraction form
    20,541,664.80/30,812,497.20 = 5,188,924.80/x
  3. Step 3: Cross multiply
    20,541,664.80x = 30,812,497.20 × 5,188,924.80
  4. Step 4: Simplify right side
    20,541,664.80x = 159,883,730,871,010.56
  5. Step 5: Solve for x
    x = 159,883,730,871,010.56/20,541,664.80
  6. Step 6: Final answer
    x = 7,783,387.20

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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.