Home / 13,487,139.83-20,222,011.52-5,290,610.24

Finding the Fourth Proportional to 13,487,139.83, 20,222,011.52 and 5,290,610.24

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Solution

The fourth proportional to 13,487,139.83, 20,222,011.52 and 5,290,610.24 is: 7,932,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,139.83 : 20,222,011.52 = 5,290,610.24 : x
  2. Step 2: Convert to fraction form
    13,487,139.83/20,222,011.52 = 5,290,610.24/x
  3. Step 3: Cross multiply
    13,487,139.83x = 20,222,011.52 × 5,290,610.24
  4. Step 4: Simplify right side
    13,487,139.83x = 106,986,781,284,891.52
  5. Step 5: Solve for x
    x = 106,986,781,284,891.52/13,487,139.83
  6. Step 6: Final answer
    x = 7,932,503.30

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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.