Home / 11,018,732.10-16,528,098.15-7,979,676.90

Finding the Fourth Proportional to 11,018,732.10, 16,528,098.15 and 7,979,676.90

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Solution

The fourth proportional to 11,018,732.10, 16,528,098.15 and 7,979,676.90 is: 11,969,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,732.10 : 16,528,098.15 = 7,979,676.90 : x
  2. Step 2: Convert to fraction form
    11,018,732.10/16,528,098.15 = 7,979,676.90/x
  3. Step 3: Cross multiply
    11,018,732.10x = 16,528,098.15 × 7,979,676.90
  4. Step 4: Simplify right side
    11,018,732.10x = 131,888,883,008,487.75
  5. Step 5: Solve for x
    x = 131,888,883,008,487.75/11,018,732.10
  6. Step 6: Final answer
    x = 11,969,515.35

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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.