Home / 15,841,005.32-21,856,840.54-8,965,487.38

Finding the Fourth Proportional to 15,841,005.32, 21,856,840.54 and 8,965,487.38

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Solution

The fourth proportional to 15,841,005.32, 21,856,840.54 and 8,965,487.38 is: 12,370,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,005.32 : 21,856,840.54 = 8,965,487.38 : x
  2. Step 2: Convert to fraction form
    15,841,005.32/21,856,840.54 = 8,965,487.38/x
  3. Step 3: Cross multiply
    15,841,005.32x = 21,856,840.54 × 8,965,487.38
  4. Step 4: Simplify right side
    15,841,005.32x = 195,957,228,028,042.41
  5. Step 5: Solve for x
    x = 195,957,228,028,042.41/15,841,005.32
  6. Step 6: Final answer
    x = 12,370,252.02

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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.