Home / 8,707,721.70-12,016,799.46-4,787,643.24

Finding the Fourth Proportional to 8,707,721.70, 12,016,799.46 and 4,787,643.24

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Solution

The fourth proportional to 8,707,721.70, 12,016,799.46 and 4,787,643.24 is: 6,607,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707,721.70 : 12,016,799.46 = 4,787,643.24 : x
  2. Step 2: Convert to fraction form
    8,707,721.70/12,016,799.46 = 4,787,643.24/x
  3. Step 3: Cross multiply
    8,707,721.70x = 12,016,799.46 × 4,787,643.24
  4. Step 4: Simplify right side
    8,707,721.70x = 57,532,148,701,104.66
  5. Step 5: Solve for x
    x = 57,532,148,701,104.66/8,707,721.70
  6. Step 6: Final answer
    x = 6,607,026.58

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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.