Home / 18,543,934.80-27,815,464.80-5,080,762.80

Finding the Fourth Proportional to 18,543,934.80, 27,815,464.80 and 5,080,762.80

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Solution

The fourth proportional to 18,543,934.80, 27,815,464.80 and 5,080,762.80 is: 7,621,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543,934.80 : 27,815,464.80 = 5,080,762.80 : x
  2. Step 2: Convert to fraction form
    18,543,934.80/27,815,464.80 = 5,080,762.80/x
  3. Step 3: Cross multiply
    18,543,934.80x = 27,815,464.80 × 5,080,762.80
  4. Step 4: Simplify right side
    18,543,934.80x = 141,323,778,820,549.44
  5. Step 5: Solve for x
    x = 141,323,778,820,549.44/18,543,934.80
  6. Step 6: Final answer
    x = 7,621,024.36

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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.