Home / 28,392,286.60-42,532,442.70-16,998,891.40

Finding the Fourth Proportional to 28,392,286.60, 42,532,442.70 and 16,998,891.40

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Solution

The fourth proportional to 28,392,286.60, 42,532,442.70 and 16,998,891.40 is: 25,464,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,286.60 : 42,532,442.70 = 16,998,891.40 : x
  2. Step 2: Convert to fraction form
    28,392,286.60/42,532,442.70 = 16,998,891.40/x
  3. Step 3: Cross multiply
    28,392,286.60x = 42,532,442.70 × 16,998,891.40
  4. Step 4: Simplify right side
    28,392,286.60x = 723,004,374,434,022.75
  5. Step 5: Solve for x
    x = 723,004,374,434,022.75/28,392,286.60
  6. Step 6: Final answer
    x = 25,464,816.72

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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.