Home / 21,853,450.67-30,156,971.45-12,063,684.60

Finding the Fourth Proportional to 21,853,450.67, 30,156,971.45 and 12,063,684.60

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Solution

The fourth proportional to 21,853,450.67, 30,156,971.45 and 12,063,684.60 is: 16,647,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,450.67 : 30,156,971.45 = 12,063,684.60 : x
  2. Step 2: Convert to fraction form
    21,853,450.67/30,156,971.45 = 12,063,684.60/x
  3. Step 3: Cross multiply
    21,853,450.67x = 30,156,971.45 × 12,063,684.60
  4. Step 4: Simplify right side
    21,853,450.67x = 363,804,192,003,686.25
  5. Step 5: Solve for x
    x = 363,804,192,003,686.25/21,853,450.67
  6. Step 6: Final answer
    x = 16,647,448.39

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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.