Home / 18,988,003.80-28,482,783.30-5,524,831.80

Finding the Fourth Proportional to 18,988,003.80, 28,482,783.30 and 5,524,831.80

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Solution

The fourth proportional to 18,988,003.80, 28,482,783.30 and 5,524,831.80 is: 8,287,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988,003.80 : 28,482,783.30 = 5,524,831.80 : x
  2. Step 2: Convert to fraction form
    18,988,003.80/28,482,783.30 = 5,524,831.80/x
  3. Step 3: Cross multiply
    18,988,003.80x = 28,482,783.30 × 5,524,831.80
  4. Step 4: Simplify right side
    18,988,003.80x = 157,362,586,928,348.94
  5. Step 5: Solve for x
    x = 157,362,586,928,348.94/18,988,003.80
  6. Step 6: Final answer
    x = 8,287,473.95

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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.