Home / 13,135,829.56-18,127,336.58-7,175,241.30

Finding the Fourth Proportional to 13,135,829.56, 18,127,336.58 and 7,175,241.30

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Solution

The fourth proportional to 13,135,829.56, 18,127,336.58 and 7,175,241.30 is: 9,901,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,829.56 : 18,127,336.58 = 7,175,241.30 : x
  2. Step 2: Convert to fraction form
    13,135,829.56/18,127,336.58 = 7,175,241.30/x
  3. Step 3: Cross multiply
    13,135,829.56x = 18,127,336.58 × 7,175,241.30
  4. Step 4: Simplify right side
    13,135,829.56x = 130,068,014,087,816.73
  5. Step 5: Solve for x
    x = 130,068,014,087,816.73/13,135,829.56
  6. Step 6: Final answer
    x = 9,901,773.88

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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.