Home / 11,909,101.52-16,438,835.40-7,080,194

Finding the Fourth Proportional to 11,909,101.52, 16,438,835.40 and 7,080,194

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Solution

The fourth proportional to 11,909,101.52, 16,438,835.40 and 7,080,194 is: 9,773,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,101.52 : 16,438,835.40 = 7,080,194 : x
  2. Step 2: Convert to fraction form
    11,909,101.52/16,438,835.40 = 7,080,194/x
  3. Step 3: Cross multiply
    11,909,101.52x = 16,438,835.40 × 7,080,194
  4. Step 4: Simplify right side
    11,909,101.52x = 116,390,143,766,067.61
  5. Step 5: Solve for x
    x = 116,390,143,766,067.61/11,909,101.52
  6. Step 6: Final answer
    x = 9,773,209.47

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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.