Home / 21,085,020.90-31,591,390.23-14,155,522.02

Finding the Fourth Proportional to 21,085,020.90, 31,591,390.23 and 14,155,522.02

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Solution

The fourth proportional to 21,085,020.90, 31,591,390.23 and 14,155,522.02 is: 21,209,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,020.90 : 31,591,390.23 = 14,155,522.02 : x
  2. Step 2: Convert to fraction form
    21,085,020.90/31,591,390.23 = 14,155,522.02/x
  3. Step 3: Cross multiply
    21,085,020.90x = 31,591,390.23 × 14,155,522.02
  4. Step 4: Simplify right side
    21,085,020.90x = 447,192,620,043,177.88
  5. Step 5: Solve for x
    x = 447,192,620,043,177.88/21,085,020.90
  6. Step 6: Final answer
    x = 21,209,019.53

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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.