Home / 12,151,939.60-18,234,907.80-4,584,336.40

Finding the Fourth Proportional to 12,151,939.60, 18,234,907.80 and 4,584,336.40

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Solution

The fourth proportional to 12,151,939.60, 18,234,907.80 and 4,584,336.40 is: 6,879,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,939.60 : 18,234,907.80 = 4,584,336.40 : x
  2. Step 2: Convert to fraction form
    12,151,939.60/18,234,907.80 = 4,584,336.40/x
  3. Step 3: Cross multiply
    12,151,939.60x = 18,234,907.80 × 4,584,336.40
  4. Step 4: Simplify right side
    12,151,939.60x = 83,594,951,578,183.94
  5. Step 5: Solve for x
    x = 83,594,951,578,183.94/12,151,939.60
  6. Step 6: Final answer
    x = 6,879,144.76

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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.