Home / 47,388,239.13-71,085,017.69-13,306,927.80

Finding the Fourth Proportional to 47,388,239.13, 71,085,017.69 and 13,306,927.80

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Solution

The fourth proportional to 47,388,239.13, 71,085,017.69 and 13,306,927.80 is: 19,961,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,239.13 : 71,085,017.69 = 13,306,927.80 : x
  2. Step 2: Convert to fraction form
    47,388,239.13/71,085,017.69 = 13,306,927.80/x
  3. Step 3: Cross multiply
    47,388,239.13x = 71,085,017.69 × 13,306,927.80
  4. Step 4: Simplify right side
    47,388,239.13x = 945,923,198,062,552.75
  5. Step 5: Solve for x
    x = 945,923,198,062,552.75/47,388,239.13
  6. Step 6: Final answer
    x = 19,961,138.36

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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.