Home / 7,786,407.12-11,679,638.16-2,395,021.20

Finding the Fourth Proportional to 7,786,407.12, 11,679,638.16 and 2,395,021.20

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Solution

The fourth proportional to 7,786,407.12, 11,679,638.16 and 2,395,021.20 is: 3,592,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,407.12 : 11,679,638.16 = 2,395,021.20 : x
  2. Step 2: Convert to fraction form
    7,786,407.12/11,679,638.16 = 2,395,021.20/x
  3. Step 3: Cross multiply
    7,786,407.12x = 11,679,638.16 × 2,395,021.20
  4. Step 4: Simplify right side
    7,786,407.12x = 27,972,981,001,529.00
  5. Step 5: Solve for x
    x = 27,972,981,001,529.00/7,786,407.12
  6. Step 6: Final answer
    x = 3,592,540.25

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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.