Home / 11,840,865.12-17,768,383.44-5,109,279.12

Finding the Fourth Proportional to 11,840,865.12, 17,768,383.44 and 5,109,279.12

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Solution

The fourth proportional to 11,840,865.12, 17,768,383.44 and 5,109,279.12 is: 7,666,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840,865.12 : 17,768,383.44 = 5,109,279.12 : x
  2. Step 2: Convert to fraction form
    11,840,865.12/17,768,383.44 = 5,109,279.12/x
  3. Step 3: Cross multiply
    11,840,865.12x = 17,768,383.44 × 5,109,279.12
  4. Step 4: Simplify right side
    11,840,865.12x = 90,783,630,506,145.78
  5. Step 5: Solve for x
    x = 90,783,630,506,145.78/11,840,865.12
  6. Step 6: Final answer
    x = 7,666,976.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.