Home / 12,680,795.82-17,501,148.94-7,101,167.40

Finding the Fourth Proportional to 12,680,795.82, 17,501,148.94 and 7,101,167.40

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Solution

The fourth proportional to 12,680,795.82, 17,501,148.94 and 7,101,167.40 is: 9,800,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,795.82 : 17,501,148.94 = 7,101,167.40 : x
  2. Step 2: Convert to fraction form
    12,680,795.82/17,501,148.94 = 7,101,167.40/x
  3. Step 3: Cross multiply
    12,680,795.82x = 17,501,148.94 × 7,101,167.40
  4. Step 4: Simplify right side
    12,680,795.82x = 124,278,588,315,272.58
  5. Step 5: Solve for x
    x = 124,278,588,315,272.58/12,680,795.82
  6. Step 6: Final answer
    x = 9,800,535.40

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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.