Home / 12,709,187.82-19,059,167.70-6,956,172.54

Finding the Fourth Proportional to 12,709,187.82, 19,059,167.70 and 6,956,172.54

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Solution

The fourth proportional to 12,709,187.82, 19,059,167.70 and 6,956,172.54 is: 10,431,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,187.82 : 19,059,167.70 = 6,956,172.54 : x
  2. Step 2: Convert to fraction form
    12,709,187.82/19,059,167.70 = 6,956,172.54/x
  3. Step 3: Cross multiply
    12,709,187.82x = 19,059,167.70 × 6,956,172.54
  4. Step 4: Simplify right side
    12,709,187.82x = 132,578,858,989,994.95
  5. Step 5: Solve for x
    x = 132,578,858,989,994.95/12,709,187.82
  6. Step 6: Final answer
    x = 10,431,733.39

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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.