Home / 8,917,920.74-13,373,599.94-3,080,621.46

Finding the Fourth Proportional to 8,917,920.74, 13,373,599.94 and 3,080,621.46

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Solution

The fourth proportional to 8,917,920.74, 13,373,599.94 and 3,080,621.46 is: 4,619,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,920.74 : 13,373,599.94 = 3,080,621.46 : x
  2. Step 2: Convert to fraction form
    8,917,920.74/13,373,599.94 = 3,080,621.46/x
  3. Step 3: Cross multiply
    8,917,920.74x = 13,373,599.94 × 3,080,621.46
  4. Step 4: Simplify right side
    8,917,920.74x = 41,198,998,972,618.71
  5. Step 5: Solve for x
    x = 41,198,998,972,618.71/8,917,920.74
  6. Step 6: Final answer
    x = 4,619,798.74

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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.