Home / 20,140,013.88-27,793,222.02-10,972,656.54

Finding the Fourth Proportional to 20,140,013.88, 27,793,222.02 and 10,972,656.54

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Solution

The fourth proportional to 20,140,013.88, 27,793,222.02 and 10,972,656.54 is: 15,142,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,013.88 : 27,793,222.02 = 10,972,656.54 : x
  2. Step 2: Convert to fraction form
    20,140,013.88/27,793,222.02 = 10,972,656.54/x
  3. Step 3: Cross multiply
    20,140,013.88x = 27,793,222.02 × 10,972,656.54
  4. Step 4: Simplify right side
    20,140,013.88x = 304,965,479,365,425
  5. Step 5: Solve for x
    x = 304,965,479,365,425/20,140,013.88
  6. Step 6: Final answer
    x = 15,142,267.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.