Home / 29,107,819.20-43,661,728.80-18,337,281.60

Finding the Fourth Proportional to 29,107,819.20, 43,661,728.80 and 18,337,281.60

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Solution

The fourth proportional to 29,107,819.20, 43,661,728.80 and 18,337,281.60 is: 27,505,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107,819.20 : 43,661,728.80 = 18,337,281.60 : x
  2. Step 2: Convert to fraction form
    29,107,819.20/43,661,728.80 = 18,337,281.60/x
  3. Step 3: Cross multiply
    29,107,819.20x = 43,661,728.80 × 18,337,281.60
  4. Step 4: Simplify right side
    29,107,819.20x = 800,637,416,148,430.12
  5. Step 5: Solve for x
    x = 800,637,416,148,430.12/29,107,819.20
  6. Step 6: Final answer
    x = 27,505,922.40

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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.