Home / 20,074,703.70-27,702,994.68-11,372,855.70

Finding the Fourth Proportional to 20,074,703.70, 27,702,994.68 and 11,372,855.70

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Solution

The fourth proportional to 20,074,703.70, 27,702,994.68 and 11,372,855.70 is: 15,694,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074,703.70 : 27,702,994.68 = 11,372,855.70 : x
  2. Step 2: Convert to fraction form
    20,074,703.70/27,702,994.68 = 11,372,855.70/x
  3. Step 3: Cross multiply
    20,074,703.70x = 27,702,994.68 × 11,372,855.70
  4. Step 4: Simplify right side
    20,074,703.70x = 315,062,160,953,507.62
  5. Step 5: Solve for x
    x = 315,062,160,953,507.62/20,074,703.70
  6. Step 6: Final answer
    x = 15,694,486.24

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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.