Home / 12,175,513.60-18,263,270.40-7,551,976.90

Finding the Fourth Proportional to 12,175,513.60, 18,263,270.40 and 7,551,976.90

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Solution

The fourth proportional to 12,175,513.60, 18,263,270.40 and 7,551,976.90 is: 11,327,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,513.60 : 18,263,270.40 = 7,551,976.90 : x
  2. Step 2: Convert to fraction form
    12,175,513.60/18,263,270.40 = 7,551,976.90/x
  3. Step 3: Cross multiply
    12,175,513.60x = 18,263,270.40 × 7,551,976.90
  4. Step 4: Simplify right side
    12,175,513.60x = 137,923,796,179,253.75
  5. Step 5: Solve for x
    x = 137,923,796,179,253.75/12,175,513.60
  6. Step 6: Final answer
    x = 11,327,965.35

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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.