Home / 15,184,573.60-20,954,654.82-8,215,228.84

Finding the Fourth Proportional to 15,184,573.60, 20,954,654.82 and 8,215,228.84

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Solution

The fourth proportional to 15,184,573.60, 20,954,654.82 and 8,215,228.84 is: 11,336,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184,573.60 : 20,954,654.82 = 8,215,228.84 : x
  2. Step 2: Convert to fraction form
    15,184,573.60/20,954,654.82 = 8,215,228.84/x
  3. Step 3: Cross multiply
    15,184,573.60x = 20,954,654.82 × 8,215,228.84
  4. Step 4: Simplify right side
    15,184,573.60x = 172,147,284,609,509
  5. Step 5: Solve for x
    x = 172,147,284,609,509/15,184,573.60
  6. Step 6: Final answer
    x = 11,336,985.10

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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.