Home / 8,357,118.72-11,503,446.30-7,322,186.58

Finding the Fourth Proportional to 8,357,118.72, 11,503,446.30 and 7,322,186.58

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Solution

The fourth proportional to 8,357,118.72, 11,503,446.30 and 7,322,186.58 is: 10,078,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357,118.72 : 11,503,446.30 = 7,322,186.58 : x
  2. Step 2: Convert to fraction form
    8,357,118.72/11,503,446.30 = 7,322,186.58/x
  3. Step 3: Cross multiply
    8,357,118.72x = 11,503,446.30 × 7,322,186.58
  4. Step 4: Simplify right side
    8,357,118.72x = 84,230,380,121,610.66
  5. Step 5: Solve for x
    x = 84,230,380,121,610.66/8,357,118.72
  6. Step 6: Final answer
    x = 10,078,878.01

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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.