Home / 15,171,335.60-20,932,406.45-8,644,825.94

Finding the Fourth Proportional to 15,171,335.60, 20,932,406.45 and 8,644,825.94

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Solution

The fourth proportional to 15,171,335.60, 20,932,406.45 and 8,644,825.94 is: 11,927,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,335.60 : 20,932,406.45 = 8,644,825.94 : x
  2. Step 2: Convert to fraction form
    15,171,335.60/20,932,406.45 = 8,644,825.94/x
  3. Step 3: Cross multiply
    15,171,335.60x = 20,932,406.45 × 8,644,825.94
  4. Step 4: Simplify right side
    15,171,335.60x = 180,957,010,222,359.19
  5. Step 5: Solve for x
    x = 180,957,010,222,359.19/15,171,335.60
  6. Step 6: Final answer
    x = 11,927,559.64

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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.