Home / 12,680,788.48-17,501,138.82-7,101,160.07

Finding the Fourth Proportional to 12,680,788.48, 17,501,138.82 and 7,101,160.07

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Solution

The fourth proportional to 12,680,788.48, 17,501,138.82 and 7,101,160.07 is: 9,800,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680,788.48 : 17,501,138.82 = 7,101,160.07 : x
  2. Step 2: Convert to fraction form
    12,680,788.48/17,501,138.82 = 7,101,160.07/x
  3. Step 3: Cross multiply
    12,680,788.48x = 17,501,138.82 × 7,101,160.07
  4. Step 4: Simplify right side
    12,680,788.48x = 124,278,388,080,605.23
  5. Step 5: Solve for x
    x = 124,278,388,080,605.23/12,680,788.48
  6. Step 6: Final answer
    x = 9,800,525.28

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1.5x scale

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.