Home / 18,435,635.70-27,653,453.55-12,696,072.90

Finding the Fourth Proportional to 18,435,635.70, 27,653,453.55 and 12,696,072.90

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Solution

The fourth proportional to 18,435,635.70, 27,653,453.55 and 12,696,072.90 is: 19,044,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,635.70 : 27,653,453.55 = 12,696,072.90 : x
  2. Step 2: Convert to fraction form
    18,435,635.70/27,653,453.55 = 12,696,072.90/x
  3. Step 3: Cross multiply
    18,435,635.70x = 27,653,453.55 × 12,696,072.90
  4. Step 4: Simplify right side
    18,435,635.70x = 351,090,262,207,563.81
  5. Step 5: Solve for x
    x = 351,090,262,207,563.81/18,435,635.70
  6. Step 6: Final answer
    x = 19,044,109.35

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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.