Home / 7,986,570.87-11,990,495.13-5,401,556.91

Finding the Fourth Proportional to 7,986,570.87, 11,990,495.13 and 5,401,556.91

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Solution

The fourth proportional to 7,986,570.87, 11,990,495.13 and 5,401,556.91 is: 8,109,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,570.87 : 11,990,495.13 = 5,401,556.91 : x
  2. Step 2: Convert to fraction form
    7,986,570.87/11,990,495.13 = 5,401,556.91/x
  3. Step 3: Cross multiply
    7,986,570.87x = 11,990,495.13 × 5,401,556.91
  4. Step 4: Simplify right side
    7,986,570.87x = 64,767,341,823,772.85
  5. Step 5: Solve for x
    x = 64,767,341,823,772.85/7,986,570.87
  6. Step 6: Final answer
    x = 8,109,530.72

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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.