Home / 13,820,977.20-20,731,465.80-13,608,400.80

Finding the Fourth Proportional to 13,820,977.20, 20,731,465.80 and 13,608,400.80

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Solution

The fourth proportional to 13,820,977.20, 20,731,465.80 and 13,608,400.80 is: 20,412,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,977.20 : 20,731,465.80 = 13,608,400.80 : x
  2. Step 2: Convert to fraction form
    13,820,977.20/20,731,465.80 = 13,608,400.80/x
  3. Step 3: Cross multiply
    13,820,977.20x = 20,731,465.80 × 13,608,400.80
  4. Step 4: Simplify right side
    13,820,977.20x = 282,122,095,777,892.69
  5. Step 5: Solve for x
    x = 282,122,095,777,892.69/13,820,977.20
  6. Step 6: Final answer
    x = 20,412,601.20

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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.