Home / 11,873,868-16,385,942.88-6,717,120

Finding the Fourth Proportional to 11,873,868, 16,385,942.88 and 6,717,120

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Solution

The fourth proportional to 11,873,868, 16,385,942.88 and 6,717,120 is: 9,269,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873,868 : 16,385,942.88 = 6,717,120 : x
  2. Step 2: Convert to fraction form
    11,873,868/16,385,942.88 = 6,717,120/x
  3. Step 3: Cross multiply
    11,873,868x = 16,385,942.88 × 6,717,120
  4. Step 4: Simplify right side
    11,873,868x = 110,066,344,638,105.61
  5. Step 5: Solve for x
    x = 110,066,344,638,105.61/11,873,868
  6. Step 6: Final answer
    x = 9,269,628.45

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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.