Home / 6,381,107.76-8,806,033.86-3,480,498.84

Finding the Fourth Proportional to 6,381,107.76, 8,806,033.86 and 3,480,498.84

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Solution

The fourth proportional to 6,381,107.76, 8,806,033.86 and 3,480,498.84 is: 4,803,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,107.76 : 8,806,033.86 = 3,480,498.84 : x
  2. Step 2: Convert to fraction form
    6,381,107.76/8,806,033.86 = 3,480,498.84/x
  3. Step 3: Cross multiply
    6,381,107.76x = 8,806,033.86 × 3,480,498.84
  4. Step 4: Simplify right side
    6,381,107.76x = 30,649,390,634,730.72
  5. Step 5: Solve for x
    x = 30,649,390,634,730.72/6,381,107.76
  6. Step 6: Final answer
    x = 4,803,145.75

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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.