Home / 12,739,788-17,580,907.44-7,016,652

Finding the Fourth Proportional to 12,739,788, 17,580,907.44 and 7,016,652

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Solution

The fourth proportional to 12,739,788, 17,580,907.44 and 7,016,652 is: 9,682,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,788 : 17,580,907.44 = 7,016,652 : x
  2. Step 2: Convert to fraction form
    12,739,788/17,580,907.44 = 7,016,652/x
  3. Step 3: Cross multiply
    12,739,788x = 17,580,907.44 × 7,016,652
  4. Step 4: Simplify right side
    12,739,788x = 123,359,109,350,690.89
  5. Step 5: Solve for x
    x = 123,359,109,350,690.89/12,739,788
  6. Step 6: Final answer
    x = 9,682,979.76

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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.