Home / 14,043,324.40-21,064,986.60-12,419,695.60

Finding the Fourth Proportional to 14,043,324.40, 21,064,986.60 and 12,419,695.60

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Solution

The fourth proportional to 14,043,324.40, 21,064,986.60 and 12,419,695.60 is: 18,629,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,324.40 : 21,064,986.60 = 12,419,695.60 : x
  2. Step 2: Convert to fraction form
    14,043,324.40/21,064,986.60 = 12,419,695.60/x
  3. Step 3: Cross multiply
    14,043,324.40x = 21,064,986.60 × 12,419,695.60
  4. Step 4: Simplify right side
    14,043,324.40x = 261,620,721,390,078.97
  5. Step 5: Solve for x
    x = 261,620,721,390,078.97/14,043,324.40
  6. Step 6: Final answer
    x = 18,629,543.40

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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.