Home / 13,100,989.08-19,655,021.69-4,002,838.59

Finding the Fourth Proportional to 13,100,989.08, 19,655,021.69 and 4,002,838.59

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Solution

The fourth proportional to 13,100,989.08, 19,655,021.69 and 4,002,838.59 is: 6,005,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,989.08 : 19,655,021.69 = 4,002,838.59 : x
  2. Step 2: Convert to fraction form
    13,100,989.08/19,655,021.69 = 4,002,838.59/x
  3. Step 3: Cross multiply
    13,100,989.08x = 19,655,021.69 × 4,002,838.59
  4. Step 4: Simplify right side
    13,100,989.08x = 78,675,879,266,162.30
  5. Step 5: Solve for x
    x = 78,675,879,266,162.30/13,100,989.08
  6. Step 6: Final answer
    x = 6,005,338.89

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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.