Home / 20,050,270.20-30,075,405.30-7,271,191.80

Finding the Fourth Proportional to 20,050,270.20, 30,075,405.30 and 7,271,191.80

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Solution

The fourth proportional to 20,050,270.20, 30,075,405.30 and 7,271,191.80 is: 10,906,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,270.20 : 30,075,405.30 = 7,271,191.80 : x
  2. Step 2: Convert to fraction form
    20,050,270.20/30,075,405.30 = 7,271,191.80/x
  3. Step 3: Cross multiply
    20,050,270.20x = 30,075,405.30 × 7,271,191.80
  4. Step 4: Simplify right side
    20,050,270.20x = 218,684,040,399,036.53
  5. Step 5: Solve for x
    x = 218,684,040,399,036.53/20,050,270.20
  6. Step 6: Final answer
    x = 10,906,787.70

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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.