Home / 20,904,991.84-28,849,697.68-11,613,265.44

Finding the Fourth Proportional to 20,904,991.84, 28,849,697.68 and 11,613,265.44

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Solution

The fourth proportional to 20,904,991.84, 28,849,697.68 and 11,613,265.44 is: 16,026,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904,991.84 : 28,849,697.68 = 11,613,265.44 : x
  2. Step 2: Convert to fraction form
    20,904,991.84/28,849,697.68 = 11,613,265.44/x
  3. Step 3: Cross multiply
    20,904,991.84x = 28,849,697.68 × 11,613,265.44
  4. Step 4: Simplify right side
    20,904,991.84x = 335,039,197,021,592.19
  5. Step 5: Solve for x
    x = 335,039,197,021,592.19/20,904,991.84
  6. Step 6: Final answer
    x = 16,026,755.69

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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.