Home / 15,841,054.86-21,856,908.84-8,965,536.72

Finding the Fourth Proportional to 15,841,054.86, 21,856,908.84 and 8,965,536.72

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Solution

The fourth proportional to 15,841,054.86, 21,856,908.84 and 8,965,536.72 is: 12,370,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,054.86 : 21,856,908.84 = 8,965,536.72 : x
  2. Step 2: Convert to fraction form
    15,841,054.86/21,856,908.84 = 8,965,536.72/x
  3. Step 3: Cross multiply
    15,841,054.86x = 21,856,908.84 × 8,965,536.72
  4. Step 4: Simplify right side
    15,841,054.86x = 195,958,918,790,712.62
  5. Step 5: Solve for x
    x = 195,958,918,790,712.62/15,841,054.86
  6. Step 6: Final answer
    x = 12,370,320.07

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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.