Home / 11,942,020.32-16,479,989.28-6,509,512.32

Finding the Fourth Proportional to 11,942,020.32, 16,479,989.28 and 6,509,512.32

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Solution

The fourth proportional to 11,942,020.32, 16,479,989.28 and 6,509,512.32 is: 8,983,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942,020.32 : 16,479,989.28 = 6,509,512.32 : x
  2. Step 2: Convert to fraction form
    11,942,020.32/16,479,989.28 = 6,509,512.32/x
  3. Step 3: Cross multiply
    11,942,020.32x = 16,479,989.28 × 6,509,512.32
  4. Step 4: Simplify right side
    11,942,020.32x = 107,276,693,251,627.94
  5. Step 5: Solve for x
    x = 107,276,693,251,627.94/11,942,020.32
  6. Step 6: Final answer
    x = 8,983,127.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.