Home / 20,276,721.75-30,416,952.51-6,629,938.11

Finding the Fourth Proportional to 20,276,721.75, 30,416,952.51 and 6,629,938.11

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Solution

The fourth proportional to 20,276,721.75, 30,416,952.51 and 6,629,938.11 is: 9,945,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276,721.75 : 30,416,952.51 = 6,629,938.11 : x
  2. Step 2: Convert to fraction form
    20,276,721.75/30,416,952.51 = 6,629,938.11/x
  3. Step 3: Cross multiply
    20,276,721.75x = 30,416,952.51 × 6,629,938.11
  4. Step 4: Simplify right side
    20,276,721.75x = 201,662,512,703,000.19
  5. Step 5: Solve for x
    x = 201,662,512,703,000.19/20,276,721.75
  6. Step 6: Final answer
    x = 9,945,518.57

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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.