Home / 12,367,842.40-18,552,685.20-4,388,629.60

Finding the Fourth Proportional to 12,367,842.40, 18,552,685.20 and 4,388,629.60

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Solution

The fourth proportional to 12,367,842.40, 18,552,685.20 and 4,388,629.60 is: 6,583,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,842.40 : 18,552,685.20 = 4,388,629.60 : x
  2. Step 2: Convert to fraction form
    12,367,842.40/18,552,685.20 = 4,388,629.60/x
  3. Step 3: Cross multiply
    12,367,842.40x = 18,552,685.20 × 4,388,629.60
  4. Step 4: Simplify right side
    12,367,842.40x = 81,420,863,428,201.91
  5. Step 5: Solve for x
    x = 81,420,863,428,201.91/12,367,842.40
  6. Step 6: Final answer
    x = 6,583,271.42

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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.