Home / 23,176,791.21-31,985,588.40-15,322,657.53

Finding the Fourth Proportional to 23,176,791.21, 31,985,588.40 and 15,322,657.53

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Solution

The fourth proportional to 23,176,791.21, 31,985,588.40 and 15,322,657.53 is: 21,146,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176,791.21 : 31,985,588.40 = 15,322,657.53 : x
  2. Step 2: Convert to fraction form
    23,176,791.21/31,985,588.40 = 15,322,657.53/x
  3. Step 3: Cross multiply
    23,176,791.21x = 31,985,588.40 × 15,322,657.53
  4. Step 4: Simplify right side
    23,176,791.21x = 490,104,216,948,740.62
  5. Step 5: Solve for x
    x = 490,104,216,948,740.62/23,176,791.21
  6. Step 6: Final answer
    x = 21,146,336.11

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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.