Home / 27,681,557.78-41,522,351.25-7,211,223.20

Finding the Fourth Proportional to 27,681,557.78, 41,522,351.25 and 7,211,223.20

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Solution

The fourth proportional to 27,681,557.78, 41,522,351.25 and 7,211,223.20 is: 10,816,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681,557.78 : 41,522,351.25 = 7,211,223.20 : x
  2. Step 2: Convert to fraction form
    27,681,557.78/41,522,351.25 = 7,211,223.20/x
  3. Step 3: Cross multiply
    27,681,557.78x = 41,522,351.25 × 7,211,223.20
  4. Step 4: Simplify right side
    27,681,557.78x = 299,426,942,488,985.44
  5. Step 5: Solve for x
    x = 299,426,942,488,985.44/27,681,557.78
  6. Step 6: Final answer
    x = 10,816,838.59

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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.