Home / 15,841,055.86-21,856,910.22-8,965,537.72

Finding the Fourth Proportional to 15,841,055.86, 21,856,910.22 and 8,965,537.72

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Solution

The fourth proportional to 15,841,055.86, 21,856,910.22 and 8,965,537.72 is: 12,370,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,055.86 : 21,856,910.22 = 8,965,537.72 : x
  2. Step 2: Convert to fraction form
    15,841,055.86/21,856,910.22 = 8,965,537.72/x
  3. Step 3: Cross multiply
    15,841,055.86x = 21,856,910.22 × 8,965,537.72
  4. Step 4: Simplify right side
    15,841,055.86x = 195,958,953,020,063.50
  5. Step 5: Solve for x
    x = 195,958,953,020,063.50/15,841,055.86
  6. Step 6: Final answer
    x = 12,370,321.45

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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.