Home / 11,786,478.42-16,264,460.90-6,628,843.50

Finding the Fourth Proportional to 11,786,478.42, 16,264,460.90 and 6,628,843.50

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Solution

The fourth proportional to 11,786,478.42, 16,264,460.90 and 6,628,843.50 is: 9,147,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786,478.42 : 16,264,460.90 = 6,628,843.50 : x
  2. Step 2: Convert to fraction form
    11,786,478.42/16,264,460.90 = 6,628,843.50/x
  3. Step 3: Cross multiply
    11,786,478.42x = 16,264,460.90 × 6,628,843.50
  4. Step 4: Simplify right side
    11,786,478.42x = 107,814,565,917,969.16
  5. Step 5: Solve for x
    x = 107,814,565,917,969.16/11,786,478.42
  6. Step 6: Final answer
    x = 9,147,309.49

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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.