Home / 7,990,031.28-11,986,240.32-2,940,957.84

Finding the Fourth Proportional to 7,990,031.28, 11,986,240.32 and 2,940,957.84

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Solution

The fourth proportional to 7,990,031.28, 11,986,240.32 and 2,940,957.84 is: 4,411,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,031.28 : 11,986,240.32 = 2,940,957.84 : x
  2. Step 2: Convert to fraction form
    7,990,031.28/11,986,240.32 = 2,940,957.84/x
  3. Step 3: Cross multiply
    7,990,031.28x = 11,986,240.32 × 2,940,957.84
  4. Step 4: Simplify right side
    7,990,031.28x = 35,251,027,441,228.11
  5. Step 5: Solve for x
    x = 35,251,027,441,228.11/7,990,031.28
  6. Step 6: Final answer
    x = 4,411,876.02

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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.