Home / 10,917,029.70-16,375,544.55-6,878,078.10

Finding the Fourth Proportional to 10,917,029.70, 16,375,544.55 and 6,878,078.10

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Solution

The fourth proportional to 10,917,029.70, 16,375,544.55 and 6,878,078.10 is: 10,317,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,029.70 : 16,375,544.55 = 6,878,078.10 : x
  2. Step 2: Convert to fraction form
    10,917,029.70/16,375,544.55 = 6,878,078.10/x
  3. Step 3: Cross multiply
    10,917,029.70x = 16,375,544.55 × 6,878,078.10
  4. Step 4: Simplify right side
    10,917,029.70x = 112,632,274,344,929.36
  5. Step 5: Solve for x
    x = 112,632,274,344,929.36/10,917,029.70
  6. Step 6: Final answer
    x = 10,317,117.15

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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.