Home / 13,227,772.64-18,252,912.48-7,427,192

Finding the Fourth Proportional to 13,227,772.64, 18,252,912.48 and 7,427,192

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Solution

The fourth proportional to 13,227,772.64, 18,252,912.48 and 7,427,192 is: 10,248,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,772.64 : 18,252,912.48 = 7,427,192 : x
  2. Step 2: Convert to fraction form
    13,227,772.64/18,252,912.48 = 7,427,192/x
  3. Step 3: Cross multiply
    13,227,772.64x = 18,252,912.48 × 7,427,192
  4. Step 4: Simplify right side
    13,227,772.64x = 135,567,885,548,156.16
  5. Step 5: Solve for x
    x = 135,567,885,548,156.16/13,227,772.64
  6. Step 6: Final answer
    x = 10,248,731.15

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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.