Home / 12,212,824.80-18,337,316.40-6,832,221.60

Finding the Fourth Proportional to 12,212,824.80, 18,337,316.40 and 6,832,221.60

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Solution

The fourth proportional to 12,212,824.80, 18,337,316.40 and 6,832,221.60 is: 10,258,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,824.80 : 18,337,316.40 = 6,832,221.60 : x
  2. Step 2: Convert to fraction form
    12,212,824.80/18,337,316.40 = 6,832,221.60/x
  3. Step 3: Cross multiply
    12,212,824.80x = 18,337,316.40 × 6,832,221.60
  4. Step 4: Simplify right side
    12,212,824.80x = 125,284,609,194,114.22
  5. Step 5: Solve for x
    x = 125,284,609,194,114.22/12,212,824.80
  6. Step 6: Final answer
    x = 10,258,446.45

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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.