Home / 20,659,039.20-30,915,075.60-17,992,648.80

Finding the Fourth Proportional to 20,659,039.20, 30,915,075.60 and 17,992,648.80

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Solution

The fourth proportional to 20,659,039.20, 30,915,075.60 and 17,992,648.80 is: 26,924,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,039.20 : 30,915,075.60 = 17,992,648.80 : x
  2. Step 2: Convert to fraction form
    20,659,039.20/30,915,075.60 = 17,992,648.80/x
  3. Step 3: Cross multiply
    20,659,039.20x = 30,915,075.60 × 17,992,648.80
  4. Step 4: Simplify right side
    20,659,039.20x = 556,244,097,896,249.31
  5. Step 5: Solve for x
    x = 556,244,097,896,249.31/20,659,039.20
  6. Step 6: Final answer
    x = 26,924,974.22

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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.