Home / 28,734,417.20-43,101,625.80-17,963,879.60

Finding the Fourth Proportional to 28,734,417.20, 43,101,625.80 and 17,963,879.60

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Solution

The fourth proportional to 28,734,417.20, 43,101,625.80 and 17,963,879.60 is: 26,945,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734,417.20 : 43,101,625.80 = 17,963,879.60 : x
  2. Step 2: Convert to fraction form
    28,734,417.20/43,101,625.80 = 17,963,879.60/x
  3. Step 3: Cross multiply
    28,734,417.20x = 43,101,625.80 × 17,963,879.60
  4. Step 4: Simplify right side
    28,734,417.20x = 774,272,416,435,453.75
  5. Step 5: Solve for x
    x = 774,272,416,435,453.75/28,734,417.20
  6. Step 6: Final answer
    x = 26,945,819.40

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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.