Home / 11,979,542.45-17,962,130.95-5,819,393.54

Finding the Fourth Proportional to 11,979,542.45, 17,962,130.95 and 5,819,393.54

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Solution

The fourth proportional to 11,979,542.45, 17,962,130.95 and 5,819,393.54 is: 8,725,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979,542.45 : 17,962,130.95 = 5,819,393.54 : x
  2. Step 2: Convert to fraction form
    11,979,542.45/17,962,130.95 = 5,819,393.54/x
  3. Step 3: Cross multiply
    11,979,542.45x = 17,962,130.95 × 5,819,393.54
  4. Step 4: Simplify right side
    11,979,542.45x = 104,528,708,741,061.77
  5. Step 5: Solve for x
    x = 104,528,708,741,061.77/11,979,542.45
  6. Step 6: Final answer
    x = 8,725,601.10

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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.