Home / 7,990,035.66-11,988,073.17-4,797,381.78

Finding the Fourth Proportional to 7,990,035.66, 11,988,073.17 and 4,797,381.78

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Solution

The fourth proportional to 7,990,035.66, 11,988,073.17 and 4,797,381.78 is: 7,197,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,035.66 : 11,988,073.17 = 4,797,381.78 : x
  2. Step 2: Convert to fraction form
    7,990,035.66/11,988,073.17 = 4,797,381.78/x
  3. Step 3: Cross multiply
    7,990,035.66x = 11,988,073.17 × 4,797,381.78
  4. Step 4: Simplify right side
    7,990,035.66x = 57,511,363,803,064.84
  5. Step 5: Solve for x
    x = 57,511,363,803,064.84/7,990,035.66
  6. Step 6: Final answer
    x = 7,197,885.75

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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.