Home / 12,679,117.73-17,491,605.83-8,547,639.63

Finding the Fourth Proportional to 12,679,117.73, 17,491,605.83 and 8,547,639.63

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Solution

The fourth proportional to 12,679,117.73, 17,491,605.83 and 8,547,639.63 is: 11,791,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,117.73 : 17,491,605.83 = 8,547,639.63 : x
  2. Step 2: Convert to fraction form
    12,679,117.73/17,491,605.83 = 8,547,639.63/x
  3. Step 3: Cross multiply
    12,679,117.73x = 17,491,605.83 × 8,547,639.63
  4. Step 4: Simplify right side
    12,679,117.73x = 149,511,943,108,568.97
  5. Step 5: Solve for x
    x = 149,511,943,108,568.97/12,679,117.73
  6. Step 6: Final answer
    x = 11,791,983.19

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Double scale
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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.