Home / 19,658,138.94-29,485,215.47-5,279,338.38

Finding the Fourth Proportional to 19,658,138.94, 29,485,215.47 and 5,279,338.38

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Solution

The fourth proportional to 19,658,138.94, 29,485,215.47 and 5,279,338.38 is: 7,918,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658,138.94 : 29,485,215.47 = 5,279,338.38 : x
  2. Step 2: Convert to fraction form
    19,658,138.94/29,485,215.47 = 5,279,338.38/x
  3. Step 3: Cross multiply
    19,658,138.94x = 29,485,215.47 × 5,279,338.38
  4. Step 4: Simplify right side
    19,658,138.94x = 155,662,429,797,108.66
  5. Step 5: Solve for x
    x = 155,662,429,797,108.66/19,658,138.94
  6. Step 6: Final answer
    x = 7,918,472.36

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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.