Home / 13,002,738.48-19,512,079.74-5,820,345.36

Finding the Fourth Proportional to 13,002,738.48, 19,512,079.74 and 5,820,345.36

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Solution

The fourth proportional to 13,002,738.48, 19,512,079.74 and 5,820,345.36 is: 8,734,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,738.48 : 19,512,079.74 = 5,820,345.36 : x
  2. Step 2: Convert to fraction form
    13,002,738.48/19,512,079.74 = 5,820,345.36/x
  3. Step 3: Cross multiply
    13,002,738.48x = 19,512,079.74 × 5,820,345.36
  4. Step 4: Simplify right side
    13,002,738.48x = 113,567,042,778,659
  5. Step 5: Solve for x
    x = 113,567,042,778,659/13,002,738.48
  6. Step 6: Final answer
    x = 8,734,086.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.