Home / 12,696,837.55-17,522,716.45-7,191,191.83

Finding the Fourth Proportional to 12,696,837.55, 17,522,716.45 and 7,191,191.83

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Solution

The fourth proportional to 12,696,837.55, 17,522,716.45 and 7,191,191.83 is: 9,924,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,837.55 : 17,522,716.45 = 7,191,191.83 : x
  2. Step 2: Convert to fraction form
    12,696,837.55/17,522,716.45 = 7,191,191.83/x
  3. Step 3: Cross multiply
    12,696,837.55x = 17,522,716.45 × 7,191,191.83
  4. Step 4: Simplify right side
    12,696,837.55x = 126,009,215,334,563.47
  5. Step 5: Solve for x
    x = 126,009,215,334,563.47/12,696,837.55
  6. Step 6: Final answer
    x = 9,924,456.77

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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.