Home / 16,557,643.20-24,836,464.80-4,428,978.60

Finding the Fourth Proportional to 16,557,643.20, 24,836,464.80 and 4,428,978.60

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Solution

The fourth proportional to 16,557,643.20, 24,836,464.80 and 4,428,978.60 is: 6,643,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,557,643.20 : 24,836,464.80 = 4,428,978.60 : x
  2. Step 2: Convert to fraction form
    16,557,643.20/24,836,464.80 = 4,428,978.60/x
  3. Step 3: Cross multiply
    16,557,643.20x = 24,836,464.80 × 4,428,978.60
  4. Step 4: Simplify right side
    16,557,643.20x = 110,000,171,098,853.28
  5. Step 5: Solve for x
    x = 110,000,171,098,853.28/16,557,643.20
  6. Step 6: Final answer
    x = 6,643,467.90

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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.