Home / 12,837,854.22-17,718,055.19-7,944,652.32

Finding the Fourth Proportional to 12,837,854.22, 17,718,055.19 and 7,944,652.32

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Solution

The fourth proportional to 12,837,854.22, 17,718,055.19 and 7,944,652.32 is: 10,964,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837,854.22 : 17,718,055.19 = 7,944,652.32 : x
  2. Step 2: Convert to fraction form
    12,837,854.22/17,718,055.19 = 7,944,652.32/x
  3. Step 3: Cross multiply
    12,837,854.22x = 17,718,055.19 × 7,944,652.32
  4. Step 4: Simplify right side
    12,837,854.22x = 140,763,788,271,121.56
  5. Step 5: Solve for x
    x = 140,763,788,271,121.56/12,837,854.22
  6. Step 6: Final answer
    x = 10,964,744.25

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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.