Home / 30,140,989.20-41,594,090.64-16,389,833.04

Finding the Fourth Proportional to 30,140,989.20, 41,594,090.64 and 16,389,833.04

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Solution

The fourth proportional to 30,140,989.20, 41,594,090.64 and 16,389,833.04 is: 22,617,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140,989.20 : 41,594,090.64 = 16,389,833.04 : x
  2. Step 2: Convert to fraction form
    30,140,989.20/41,594,090.64 = 16,389,833.04/x
  3. Step 3: Cross multiply
    30,140,989.20x = 41,594,090.64 × 16,389,833.04
  4. Step 4: Simplify right side
    30,140,989.20x = 681,720,201,040,226.75
  5. Step 5: Solve for x
    x = 681,720,201,040,226.75/30,140,989.20
  6. Step 6: Final answer
    x = 22,617,711.60

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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.