Home / 12,885,375.36-19,342,067.40-5,214,300.06

Finding the Fourth Proportional to 12,885,375.36, 19,342,067.40 and 5,214,300.06

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Solution

The fourth proportional to 12,885,375.36, 19,342,067.40 and 5,214,300.06 is: 7,827,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,375.36 : 19,342,067.40 = 5,214,300.06 : x
  2. Step 2: Convert to fraction form
    12,885,375.36/19,342,067.40 = 5,214,300.06/x
  3. Step 3: Cross multiply
    12,885,375.36x = 19,342,067.40 × 5,214,300.06
  4. Step 4: Simplify right side
    12,885,375.36x = 100,855,343,204,344.03
  5. Step 5: Solve for x
    x = 100,855,343,204,344.03/12,885,375.36
  6. Step 6: Final answer
    x = 7,827,117.21

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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.