Home / 11,370,057.42-15,692,279.49-7,238,768.88

Finding the Fourth Proportional to 11,370,057.42, 15,692,279.49 and 7,238,768.88

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Solution

The fourth proportional to 11,370,057.42, 15,692,279.49 and 7,238,768.88 is: 9,990,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370,057.42 : 15,692,279.49 = 7,238,768.88 : x
  2. Step 2: Convert to fraction form
    11,370,057.42/15,692,279.49 = 7,238,768.88/x
  3. Step 3: Cross multiply
    11,370,057.42x = 15,692,279.49 × 7,238,768.88
  4. Step 4: Simplify right side
    11,370,057.42x = 113,592,784,428,474.27
  5. Step 5: Solve for x
    x = 113,592,784,428,474.27/11,370,057.42
  6. Step 6: Final answer
    x = 9,990,519.86

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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.