Home / 38,093,362.68-52,568,990.64-20,689,998.36

Finding the Fourth Proportional to 38,093,362.68, 52,568,990.64 and 20,689,998.36

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Solution

The fourth proportional to 38,093,362.68, 52,568,990.64 and 20,689,998.36 is: 28,552,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,093,362.68 : 52,568,990.64 = 20,689,998.36 : x
  2. Step 2: Convert to fraction form
    38,093,362.68/52,568,990.64 = 20,689,998.36/x
  3. Step 3: Cross multiply
    38,093,362.68x = 52,568,990.64 × 20,689,998.36
  4. Step 4: Simplify right side
    38,093,362.68x = 1,087,652,330,128,455.38
  5. Step 5: Solve for x
    x = 1,087,652,330,128,455.38/38,093,362.68
  6. Step 6: Final answer
    x = 28,552,279.28

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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.