Home / 20,104,520.34-30,151,798.20-5,727,712.68

Finding the Fourth Proportional to 20,104,520.34, 30,151,798.20 and 5,727,712.68

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Solution

The fourth proportional to 20,104,520.34, 30,151,798.20 and 5,727,712.68 is: 8,590,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,520.34 : 30,151,798.20 = 5,727,712.68 : x
  2. Step 2: Convert to fraction form
    20,104,520.34/30,151,798.20 = 5,727,712.68/x
  3. Step 3: Cross multiply
    20,104,520.34x = 30,151,798.20 × 5,727,712.68
  4. Step 4: Simplify right side
    20,104,520.34x = 172,700,836,874,941.16
  5. Step 5: Solve for x
    x = 172,700,836,874,941.16/20,104,520.34
  6. Step 6: Final answer
    x = 8,590,149.58

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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.