Home / 12,588,118.81-17,371,578.23-7,081,497.43

Finding the Fourth Proportional to 12,588,118.81, 17,371,578.23 and 7,081,497.43

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Solution

The fourth proportional to 12,588,118.81, 17,371,578.23 and 7,081,497.43 is: 9,772,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,118.81 : 17,371,578.23 = 7,081,497.43 : x
  2. Step 2: Convert to fraction form
    12,588,118.81/17,371,578.23 = 7,081,497.43/x
  3. Step 3: Cross multiply
    12,588,118.81x = 17,371,578.23 × 7,081,497.43
  4. Step 4: Simplify right side
    12,588,118.81x = 123,016,786,538,508.14
  5. Step 5: Solve for x
    x = 123,016,786,538,508.14/12,588,118.81
  6. Step 6: Final answer
    x = 9,772,451.98

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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.