Home / 6,990,563.34-10,486,218.72-2,198,626.29

Finding the Fourth Proportional to 6,990,563.34, 10,486,218.72 and 2,198,626.29

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Solution

The fourth proportional to 6,990,563.34, 10,486,218.72 and 2,198,626.29 is: 3,298,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,563.34 : 10,486,218.72 = 2,198,626.29 : x
  2. Step 2: Convert to fraction form
    6,990,563.34/10,486,218.72 = 2,198,626.29/x
  3. Step 3: Cross multiply
    6,990,563.34x = 10,486,218.72 × 2,198,626.29
  4. Step 4: Simplify right side
    6,990,563.34x = 23,055,276,160,482.15
  5. Step 5: Solve for x
    x = 23,055,276,160,482.15/6,990,563.34
  6. Step 6: Final answer
    x = 3,298,056.97

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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.