Home / 8,311,482.39-12,468,470.18-2,919,182.39

Finding the Fourth Proportional to 8,311,482.39, 12,468,470.18 and 2,919,182.39

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Solution

The fourth proportional to 8,311,482.39, 12,468,470.18 and 2,919,182.39 is: 4,379,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,482.39 : 12,468,470.18 = 2,919,182.39 : x
  2. Step 2: Convert to fraction form
    8,311,482.39/12,468,470.18 = 2,919,182.39/x
  3. Step 3: Cross multiply
    8,311,482.39x = 12,468,470.18 × 2,919,182.39
  4. Step 4: Simplify right side
    8,311,482.39x = 36,397,738,565,935.03
  5. Step 5: Solve for x
    x = 36,397,738,565,935.03/8,311,482.39
  6. Step 6: Final answer
    x = 4,379,211.41

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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.