Home / 14,622,717.82-20,172,997.62-8,818,274.02

Finding the Fourth Proportional to 14,622,717.82, 20,172,997.62 and 8,818,274.02

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Solution

The fourth proportional to 14,622,717.82, 20,172,997.62 and 8,818,274.02 is: 12,165,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,717.82 : 20,172,997.62 = 8,818,274.02 : x
  2. Step 2: Convert to fraction form
    14,622,717.82/20,172,997.62 = 8,818,274.02/x
  3. Step 3: Cross multiply
    14,622,717.82x = 20,172,997.62 × 8,818,274.02
  4. Step 4: Simplify right side
    14,622,717.82x = 177,891,020,817,967.84
  5. Step 5: Solve for x
    x = 177,891,020,817,967.84/14,622,717.82
  6. Step 6: Final answer
    x = 12,165,386.97

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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.