Home / 11,982,494.80-17,973,742.20-7,447,531.60

Finding the Fourth Proportional to 11,982,494.80, 17,973,742.20 and 7,447,531.60

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Solution

The fourth proportional to 11,982,494.80, 17,973,742.20 and 7,447,531.60 is: 11,171,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982,494.80 : 17,973,742.20 = 7,447,531.60 : x
  2. Step 2: Convert to fraction form
    11,982,494.80/17,973,742.20 = 7,447,531.60/x
  3. Step 3: Cross multiply
    11,982,494.80x = 17,973,742.20 × 7,447,531.60
  4. Step 4: Simplify right side
    11,982,494.80x = 133,860,013,004,753.50
  5. Step 5: Solve for x
    x = 133,860,013,004,753.50/11,982,494.80
  6. Step 6: Final answer
    x = 11,171,297.40

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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.