Home / 38,206,176-52,723,996.32-20,802,521.28

Finding the Fourth Proportional to 38,206,176, 52,723,996.32 and 20,802,521.28

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Solution

The fourth proportional to 38,206,176, 52,723,996.32 and 20,802,521.28 is: 28,707,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206,176 : 52,723,996.32 = 20,802,521.28 : x
  2. Step 2: Convert to fraction form
    38,206,176/52,723,996.32 = 20,802,521.28/x
  3. Step 3: Cross multiply
    38,206,176x = 52,723,996.32 × 20,802,521.28
  4. Step 4: Simplify right side
    38,206,176x = 1,096,792,055,413,441.75
  5. Step 5: Solve for x
    x = 1,096,792,055,413,441.75/38,206,176
  6. Step 6: Final answer
    x = 28,707,192.66

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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.