Home / 12,367,366.20-18,523,055.70-7,328,518.20

Finding the Fourth Proportional to 12,367,366.20, 18,523,055.70 and 7,328,518.20

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Solution

The fourth proportional to 12,367,366.20, 18,523,055.70 and 7,328,518.20 is: 10,976,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,366.20 : 18,523,055.70 = 7,328,518.20 : x
  2. Step 2: Convert to fraction form
    12,367,366.20/18,523,055.70 = 7,328,518.20/x
  3. Step 3: Cross multiply
    12,367,366.20x = 18,523,055.70 × 7,328,518.20
  4. Step 4: Simplify right side
    12,367,366.20x = 135,746,550,817,063.73
  5. Step 5: Solve for x
    x = 135,746,550,817,063.73/12,367,366.20
  6. Step 6: Final answer
    x = 10,976,189.16

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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.