Home / 7,338,979.20-11,008,468.80-4,628,630.10

Finding the Fourth Proportional to 7,338,979.20, 11,008,468.80 and 4,628,630.10

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Solution

The fourth proportional to 7,338,979.20, 11,008,468.80 and 4,628,630.10 is: 6,942,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,979.20 : 11,008,468.80 = 4,628,630.10 : x
  2. Step 2: Convert to fraction form
    7,338,979.20/11,008,468.80 = 4,628,630.10/x
  3. Step 3: Cross multiply
    7,338,979.20x = 11,008,468.80 × 4,628,630.10
  4. Step 4: Simplify right side
    7,338,979.20x = 50,954,130,042,590.88
  5. Step 5: Solve for x
    x = 50,954,130,042,590.88/7,338,979.20
  6. Step 6: Final answer
    x = 6,942,945.15

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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.