Home / 5,909,879.20-8,864,818.80-5,163,383.20

Finding the Fourth Proportional to 5,909,879.20, 8,864,818.80 and 5,163,383.20

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Solution

The fourth proportional to 5,909,879.20, 8,864,818.80 and 5,163,383.20 is: 7,745,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909,879.20 : 8,864,818.80 = 5,163,383.20 : x
  2. Step 2: Convert to fraction form
    5,909,879.20/8,864,818.80 = 5,163,383.20/x
  3. Step 3: Cross multiply
    5,909,879.20x = 8,864,818.80 × 5,163,383.20
  4. Step 4: Simplify right side
    5,909,879.20x = 45,772,456,462,964.16
  5. Step 5: Solve for x
    x = 45,772,456,462,964.16/5,909,879.20
  6. Step 6: Final answer
    x = 7,745,074.80

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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.