Home / 20,304,049.80-30,456,074.70-6,839,473.80

Finding the Fourth Proportional to 20,304,049.80, 30,456,074.70 and 6,839,473.80

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Solution

The fourth proportional to 20,304,049.80, 30,456,074.70 and 6,839,473.80 is: 10,259,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,049.80 : 30,456,074.70 = 6,839,473.80 : x
  2. Step 2: Convert to fraction form
    20,304,049.80/30,456,074.70 = 6,839,473.80/x
  3. Step 3: Cross multiply
    20,304,049.80x = 30,456,074.70 × 6,839,473.80
  4. Step 4: Simplify right side
    20,304,049.80x = 208,303,524,961,492.84
  5. Step 5: Solve for x
    x = 208,303,524,961,492.84/20,304,049.80
  6. Step 6: Final answer
    x = 10,259,210.70

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1.5x scale

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.