Home / 28,083,999.38-38,756,152.42-15,206,943.38

Finding the Fourth Proportional to 28,083,999.38, 38,756,152.42 and 15,206,943.38

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Solution

The fourth proportional to 28,083,999.38, 38,756,152.42 and 15,206,943.38 is: 20,985,708.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,999.38 : 38,756,152.42 = 15,206,943.38 : x
  2. Step 2: Convert to fraction form
    28,083,999.38/38,756,152.42 = 15,206,943.38/x
  3. Step 3: Cross multiply
    28,083,999.38x = 38,756,152.42 × 15,206,943.38
  4. Step 4: Simplify right side
    28,083,999.38x = 589,362,615,245,791.75
  5. Step 5: Solve for x
    x = 589,362,615,245,791.75/28,083,999.38
  6. Step 6: Final answer
    x = 20,985,708.17

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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.