Home / 13,427,844.76-18,522,513.06-9,503,185.72

Finding the Fourth Proportional to 13,427,844.76, 18,522,513.06 and 9,503,185.72

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Solution

The fourth proportional to 13,427,844.76, 18,522,513.06 and 9,503,185.72 is: 13,108,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427,844.76 : 18,522,513.06 = 9,503,185.72 : x
  2. Step 2: Convert to fraction form
    13,427,844.76/18,522,513.06 = 9,503,185.72/x
  3. Step 3: Cross multiply
    13,427,844.76x = 18,522,513.06 × 9,503,185.72
  4. Step 4: Simplify right side
    13,427,844.76x = 176,022,881,610,305.50
  5. Step 5: Solve for x
    x = 176,022,881,610,305.50/13,427,844.76
  6. Step 6: Final answer
    x = 13,108,796.29

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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.