Home / 8,419,549.61-11,618,111.28-6,215,584.83

Finding the Fourth Proportional to 8,419,549.61, 11,618,111.28 and 6,215,584.83

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Solution

The fourth proportional to 8,419,549.61, 11,618,111.28 and 6,215,584.83 is: 8,576,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,549.61 : 11,618,111.28 = 6,215,584.83 : x
  2. Step 2: Convert to fraction form
    8,419,549.61/11,618,111.28 = 6,215,584.83/x
  3. Step 3: Cross multiply
    8,419,549.61x = 11,618,111.28 × 6,215,584.83
  4. Step 4: Simplify right side
    8,419,549.61x = 72,213,356,248,528.33
  5. Step 5: Solve for x
    x = 72,213,356,248,528.33/8,419,549.61
  6. Step 6: Final answer
    x = 8,576,866.89

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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.