Home / 8,655,987-11,945,613.78-4,788,441.48

Finding the Fourth Proportional to 8,655,987, 11,945,613.78 and 4,788,441.48

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Solution

The fourth proportional to 8,655,987, 11,945,613.78 and 4,788,441.48 is: 6,608,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,987 : 11,945,613.78 = 4,788,441.48 : x
  2. Step 2: Convert to fraction form
    8,655,987/11,945,613.78 = 4,788,441.48/x
  3. Step 3: Cross multiply
    8,655,987x = 11,945,613.78 × 4,788,441.48
  4. Step 4: Simplify right side
    8,655,987x = 57,200,872,528,211.59
  5. Step 5: Solve for x
    x = 57,200,872,528,211.59/8,655,987
  6. Step 6: Final answer
    x = 6,608,243.81

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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.