Home / 15,552,128.52-23,328,192.78-13,662,560.52

Finding the Fourth Proportional to 15,552,128.52, 23,328,192.78 and 13,662,560.52

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Solution

The fourth proportional to 15,552,128.52, 23,328,192.78 and 13,662,560.52 is: 20,493,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,128.52 : 23,328,192.78 = 13,662,560.52 : x
  2. Step 2: Convert to fraction form
    15,552,128.52/23,328,192.78 = 13,662,560.52/x
  3. Step 3: Cross multiply
    15,552,128.52x = 23,328,192.78 × 13,662,560.52
  4. Step 4: Simplify right side
    15,552,128.52x = 318,722,845,678,977.06
  5. Step 5: Solve for x
    x = 318,722,845,678,977.06/15,552,128.52
  6. Step 6: Final answer
    x = 20,493,840.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.