Home / 11,986,673.29-16,541,205.75-7,578,771.55

Finding the Fourth Proportional to 11,986,673.29, 16,541,205.75 and 7,578,771.55

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Solution

The fourth proportional to 11,986,673.29, 16,541,205.75 and 7,578,771.55 is: 10,458,449.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986,673.29 : 16,541,205.75 = 7,578,771.55 : x
  2. Step 2: Convert to fraction form
    11,986,673.29/16,541,205.75 = 7,578,771.55/x
  3. Step 3: Cross multiply
    11,986,673.29x = 16,541,205.75 × 7,578,771.55
  4. Step 4: Simplify right side
    11,986,673.29x = 125,362,019,499,443.41
  5. Step 5: Solve for x
    x = 125,362,019,499,443.41/11,986,673.29
  6. Step 6: Final answer
    x = 10,458,449.69

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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.