Home / 18,669,546.40-28,004,319.60-4,486,122.40

Finding the Fourth Proportional to 18,669,546.40, 28,004,319.60 and 4,486,122.40

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Solution

The fourth proportional to 18,669,546.40, 28,004,319.60 and 4,486,122.40 is: 6,729,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,546.40 : 28,004,319.60 = 4,486,122.40 : x
  2. Step 2: Convert to fraction form
    18,669,546.40/28,004,319.60 = 4,486,122.40/x
  3. Step 3: Cross multiply
    18,669,546.40x = 28,004,319.60 × 4,486,122.40
  4. Step 4: Simplify right side
    18,669,546.40x = 125,630,805,454,319.06
  5. Step 5: Solve for x
    x = 125,630,805,454,319.06/18,669,546.40
  6. Step 6: Final answer
    x = 6,729,183.60

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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.