Home / 27,620,685.38-41,418,997.72-7,920,459.32

Finding the Fourth Proportional to 27,620,685.38, 41,418,997.72 and 7,920,459.32

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Solution

The fourth proportional to 27,620,685.38, 41,418,997.72 and 7,920,459.32 is: 11,877,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620,685.38 : 41,418,997.72 = 7,920,459.32 : x
  2. Step 2: Convert to fraction form
    27,620,685.38/41,418,997.72 = 7,920,459.32/x
  3. Step 3: Cross multiply
    27,620,685.38x = 41,418,997.72 × 7,920,459.32
  4. Step 4: Simplify right side
    27,620,685.38x = 328,057,486,289,536.62
  5. Step 5: Solve for x
    x = 328,057,486,289,536.62/27,620,685.38
  6. Step 6: Final answer
    x = 11,877,239.17

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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.