Home / 11,078,826.30-16,618,239.45-10,406,979.90

Finding the Fourth Proportional to 11,078,826.30, 16,618,239.45 and 10,406,979.90

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Solution

The fourth proportional to 11,078,826.30, 16,618,239.45 and 10,406,979.90 is: 15,610,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,826.30 : 16,618,239.45 = 10,406,979.90 : x
  2. Step 2: Convert to fraction form
    11,078,826.30/16,618,239.45 = 10,406,979.90/x
  3. Step 3: Cross multiply
    11,078,826.30x = 16,618,239.45 × 10,406,979.90
  4. Step 4: Simplify right side
    11,078,826.30x = 172,945,683,929,537.06
  5. Step 5: Solve for x
    x = 172,945,683,929,537.06/11,078,826.30
  6. Step 6: Final answer
    x = 15,610,469.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.