Home / 8,507,179.74-12,760,703.97-2,117,389.20

Finding the Fourth Proportional to 8,507,179.74, 12,760,703.97 and 2,117,389.20

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Solution

The fourth proportional to 8,507,179.74, 12,760,703.97 and 2,117,389.20 is: 3,176,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,179.74 : 12,760,703.97 = 2,117,389.20 : x
  2. Step 2: Convert to fraction form
    8,507,179.74/12,760,703.97 = 2,117,389.20/x
  3. Step 3: Cross multiply
    8,507,179.74x = 12,760,703.97 × 2,117,389.20
  4. Step 4: Simplify right side
    8,507,179.74x = 27,019,376,770,475.13
  5. Step 5: Solve for x
    x = 27,019,376,770,475.13/8,507,179.74
  6. Step 6: Final answer
    x = 3,176,067.46

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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.