Home / 9,021,959.10-13,500,610.49-7,811,709.75

Finding the Fourth Proportional to 9,021,959.10, 13,500,610.49 and 7,811,709.75

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Solution

The fourth proportional to 9,021,959.10, 13,500,610.49 and 7,811,709.75 is: 11,689,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,959.10 : 13,500,610.49 = 7,811,709.75 : x
  2. Step 2: Convert to fraction form
    9,021,959.10/13,500,610.49 = 7,811,709.75/x
  3. Step 3: Cross multiply
    9,021,959.10x = 13,500,610.49 × 7,811,709.75
  4. Step 4: Simplify right side
    9,021,959.10x = 105,462,850,556,626.72
  5. Step 5: Solve for x
    x = 105,462,850,556,626.72/9,021,959.10
  6. Step 6: Final answer
    x = 11,689,573.12

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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.