Home / 20,218,315.70-30,335,767.95-7,444,939.70

Finding the Fourth Proportional to 20,218,315.70, 30,335,767.95 and 7,444,939.70

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Solution

The fourth proportional to 20,218,315.70, 30,335,767.95 and 7,444,939.70 is: 11,170,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,315.70 : 30,335,767.95 = 7,444,939.70 : x
  2. Step 2: Convert to fraction form
    20,218,315.70/30,335,767.95 = 7,444,939.70/x
  3. Step 3: Cross multiply
    20,218,315.70x = 30,335,767.95 × 7,444,939.70
  4. Step 4: Simplify right side
    20,218,315.70x = 225,847,963,140,942.62
  5. Step 5: Solve for x
    x = 225,847,963,140,942.62/20,218,315.70
  6. Step 6: Final answer
    x = 11,170,463.78

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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.