Home / 40,784,574.20-56,284,197.38-22,198,815.96

Finding the Fourth Proportional to 40,784,574.20, 56,284,197.38 and 22,198,815.96

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Solution

The fourth proportional to 40,784,574.20, 56,284,197.38 and 22,198,815.96 is: 30,635,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784,574.20 : 56,284,197.38 = 22,198,815.96 : x
  2. Step 2: Convert to fraction form
    40,784,574.20/56,284,197.38 = 22,198,815.96/x
  3. Step 3: Cross multiply
    40,784,574.20x = 56,284,197.38 × 22,198,815.96
  4. Step 4: Simplify right side
    40,784,574.20x = 1,249,442,539,094,934.25
  5. Step 5: Solve for x
    x = 1,249,442,539,094,934.25/40,784,574.20
  6. Step 6: Final answer
    x = 30,635,174.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.