Home / 12,474,065.20-18,722,907.60-10,678,975.60

Finding the Fourth Proportional to 12,474,065.20, 18,722,907.60 and 10,678,975.60

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Solution

The fourth proportional to 12,474,065.20, 18,722,907.60 and 10,678,975.60 is: 16,028,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,065.20 : 18,722,907.60 = 10,678,975.60 : x
  2. Step 2: Convert to fraction form
    12,474,065.20/18,722,907.60 = 10,678,975.60/x
  3. Step 3: Cross multiply
    12,474,065.20x = 18,722,907.60 × 10,678,975.60
  4. Step 4: Simplify right side
    12,474,065.20x = 199,941,473,421,454.56
  5. Step 5: Solve for x
    x = 199,941,473,421,454.56/12,474,065.20
  6. Step 6: Final answer
    x = 16,028,573.70

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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.