Home / 17,419,929.79-26,128,206.25-5,289,499.87

Finding the Fourth Proportional to 17,419,929.79, 26,128,206.25 and 5,289,499.87

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Solution

The fourth proportional to 17,419,929.79, 26,128,206.25 and 5,289,499.87 is: 7,933,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419,929.79 : 26,128,206.25 = 5,289,499.87 : x
  2. Step 2: Convert to fraction form
    17,419,929.79/26,128,206.25 = 5,289,499.87/x
  3. Step 3: Cross multiply
    17,419,929.79x = 26,128,206.25 × 5,289,499.87
  4. Step 4: Simplify right side
    17,419,929.79x = 138,205,143,484,163.91
  5. Step 5: Solve for x
    x = 138,205,143,484,163.91/17,419,929.79
  6. Step 6: Final answer
    x = 7,933,737.11

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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.