Home / 13,056,659.82-18,018,353.84-7,176,936.06

Finding the Fourth Proportional to 13,056,659.82, 18,018,353.84 and 7,176,936.06

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Solution

The fourth proportional to 13,056,659.82, 18,018,353.84 and 7,176,936.06 is: 9,904,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,659.82 : 18,018,353.84 = 7,176,936.06 : x
  2. Step 2: Convert to fraction form
    13,056,659.82/18,018,353.84 = 7,176,936.06/x
  3. Step 3: Cross multiply
    13,056,659.82x = 18,018,353.84 × 7,176,936.06
  4. Step 4: Simplify right side
    13,056,659.82x = 129,316,573,380,250.80
  5. Step 5: Solve for x
    x = 129,316,573,380,250.80/13,056,659.82
  6. Step 6: Final answer
    x = 9,904,261.52

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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.