Home / 13,471,556.49-20,207,985.15-3,756,150.60

Finding the Fourth Proportional to 13,471,556.49, 20,207,985.15 and 3,756,150.60

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Solution

The fourth proportional to 13,471,556.49, 20,207,985.15 and 3,756,150.60 is: 5,634,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,556.49 : 20,207,985.15 = 3,756,150.60 : x
  2. Step 2: Convert to fraction form
    13,471,556.49/20,207,985.15 = 3,756,150.60/x
  3. Step 3: Cross multiply
    13,471,556.49x = 20,207,985.15 × 3,756,150.60
  4. Step 4: Simplify right side
    13,471,556.49x = 75,904,235,545,963.59
  5. Step 5: Solve for x
    x = 75,904,235,545,963.59/13,471,556.49
  6. Step 6: Final answer
    x = 5,634,407.25

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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.