Home / 13,040,898.30-19,561,347.45-8,191,007.10

Finding the Fourth Proportional to 13,040,898.30, 19,561,347.45 and 8,191,007.10

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Solution

The fourth proportional to 13,040,898.30, 19,561,347.45 and 8,191,007.10 is: 12,286,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,898.30 : 19,561,347.45 = 8,191,007.10 : x
  2. Step 2: Convert to fraction form
    13,040,898.30/19,561,347.45 = 8,191,007.10/x
  3. Step 3: Cross multiply
    13,040,898.30x = 19,561,347.45 × 8,191,007.10
  4. Step 4: Simplify right side
    13,040,898.30x = 160,227,135,848,516.88
  5. Step 5: Solve for x
    x = 160,227,135,848,516.88/13,040,898.30
  6. Step 6: Final answer
    x = 12,286,510.65

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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.