Home / 11,656,894.70-16,086,530.18-6,429,785.64

Finding the Fourth Proportional to 11,656,894.70, 16,086,530.18 and 6,429,785.64

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Solution

The fourth proportional to 11,656,894.70, 16,086,530.18 and 6,429,785.64 is: 8,873,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,656,894.70 : 16,086,530.18 = 6,429,785.64 : x
  2. Step 2: Convert to fraction form
    11,656,894.70/16,086,530.18 = 6,429,785.64/x
  3. Step 3: Cross multiply
    11,656,894.70x = 16,086,530.18 × 6,429,785.64
  4. Step 4: Simplify right side
    11,656,894.70x = 103,432,940,636,209.03
  5. Step 5: Solve for x
    x = 103,432,940,636,209.03/11,656,894.70
  6. Step 6: Final answer
    x = 8,873,112.72

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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.