Home / 12,837,853.22-17,718,053.81-7,944,651.32

Finding the Fourth Proportional to 12,837,853.22, 17,718,053.81 and 7,944,651.32

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Solution

The fourth proportional to 12,837,853.22, 17,718,053.81 and 7,944,651.32 is: 10,964,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,853.22 : 17,718,053.81 = 7,944,651.32 : x
  2. Step 2: Convert to fraction form
    12,837,853.22/17,718,053.81 = 7,944,651.32/x
  3. Step 3: Cross multiply
    12,837,853.22x = 17,718,053.81 × 7,944,651.32
  4. Step 4: Simplify right side
    12,837,853.22x = 140,763,759,461,134
  5. Step 5: Solve for x
    x = 140,763,759,461,134/12,837,853.22
  6. Step 6: Final answer
    x = 10,964,742.87

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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.