Home / 12,471,039.66-17,210,557.68-7,172,736.15

Finding the Fourth Proportional to 12,471,039.66, 17,210,557.68 and 7,172,736.15

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Solution

The fourth proportional to 12,471,039.66, 17,210,557.68 and 7,172,736.15 is: 9,898,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,039.66 : 17,210,557.68 = 7,172,736.15 : x
  2. Step 2: Convert to fraction form
    12,471,039.66/17,210,557.68 = 7,172,736.15/x
  3. Step 3: Cross multiply
    12,471,039.66x = 17,210,557.68 × 7,172,736.15
  4. Step 4: Simplify right side
    12,471,039.66x = 123,446,789,270,637.95
  5. Step 5: Solve for x
    x = 123,446,789,270,637.95/12,471,039.66
  6. Step 6: Final answer
    x = 9,898,676.66

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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.