Home / 7,990,613.78-11,986,031.30-2,599,292.39

Finding the Fourth Proportional to 7,990,613.78, 11,986,031.30 and 2,599,292.39

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Solution

The fourth proportional to 7,990,613.78, 11,986,031.30 and 2,599,292.39 is: 3,898,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,613.78 : 11,986,031.30 = 2,599,292.39 : x
  2. Step 2: Convert to fraction form
    7,990,613.78/11,986,031.30 = 2,599,292.39/x
  3. Step 3: Cross multiply
    7,990,613.78x = 11,986,031.30 × 2,599,292.39
  4. Step 4: Simplify right side
    7,990,613.78x = 31,155,199,871,465.19
  5. Step 5: Solve for x
    x = 31,155,199,871,465.19/7,990,613.78
  6. Step 6: Final answer
    x = 3,898,974.57

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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.