Home / 13,657,156.38-20,485,734.57-7,588,985.94

Finding the Fourth Proportional to 13,657,156.38, 20,485,734.57 and 7,588,985.94

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Solution

The fourth proportional to 13,657,156.38, 20,485,734.57 and 7,588,985.94 is: 11,383,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,156.38 : 20,485,734.57 = 7,588,985.94 : x
  2. Step 2: Convert to fraction form
    13,657,156.38/20,485,734.57 = 7,588,985.94/x
  3. Step 3: Cross multiply
    13,657,156.38x = 20,485,734.57 × 7,588,985.94
  4. Step 4: Simplify right side
    13,657,156.38x = 155,465,951,622,301.97
  5. Step 5: Solve for x
    x = 155,465,951,622,301.97/13,657,156.38
  6. Step 6: Final answer
    x = 11,383,478.91

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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.