Home / 25,279,252.80-37,918,879.20-20,240,404.80

Finding the Fourth Proportional to 25,279,252.80, 37,918,879.20 and 20,240,404.80

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Solution

The fourth proportional to 25,279,252.80, 37,918,879.20 and 20,240,404.80 is: 30,360,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279,252.80 : 37,918,879.20 = 20,240,404.80 : x
  2. Step 2: Convert to fraction form
    25,279,252.80/37,918,879.20 = 20,240,404.80/x
  3. Step 3: Cross multiply
    25,279,252.80x = 37,918,879.20 × 20,240,404.80
  4. Step 4: Simplify right side
    25,279,252.80x = 767,493,464,570,300.25
  5. Step 5: Solve for x
    x = 767,493,464,570,300.25/25,279,252.80
  6. Step 6: Final answer
    x = 30,360,607.20

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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.