Home / 12,682,253.26-17,501,288.79-7,718,900.50

Finding the Fourth Proportional to 12,682,253.26, 17,501,288.79 and 7,718,900.50

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Solution

The fourth proportional to 12,682,253.26, 17,501,288.79 and 7,718,900.50 is: 10,651,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682,253.26 : 17,501,288.79 = 7,718,900.50 : x
  2. Step 2: Convert to fraction form
    12,682,253.26/17,501,288.79 = 7,718,900.50/x
  3. Step 3: Cross multiply
    12,682,253.26x = 17,501,288.79 × 7,718,900.50
  4. Step 4: Simplify right side
    12,682,253.26x = 135,090,706,791,775.39
  5. Step 5: Solve for x
    x = 135,090,706,791,775.39/12,682,253.26
  6. Step 6: Final answer
    x = 10,651,948.36

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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.