Home / 17,383,618.70-26,075,428.05-12,665,026.70

Finding the Fourth Proportional to 17,383,618.70, 26,075,428.05 and 12,665,026.70

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Solution

The fourth proportional to 17,383,618.70, 26,075,428.05 and 12,665,026.70 is: 18,997,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383,618.70 : 26,075,428.05 = 12,665,026.70 : x
  2. Step 2: Convert to fraction form
    17,383,618.70/26,075,428.05 = 12,665,026.70/x
  3. Step 3: Cross multiply
    17,383,618.70x = 26,075,428.05 × 12,665,026.70
  4. Step 4: Simplify right side
    17,383,618.70x = 330,245,992,467,178.94
  5. Step 5: Solve for x
    x = 330,245,992,467,178.94/17,383,618.70
  6. Step 6: Final answer
    x = 18,997,540.05

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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.