Home / 5,329,399.20-7,994,098.80-4,972,480.80

Finding the Fourth Proportional to 5,329,399.20, 7,994,098.80 and 4,972,480.80

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Solution

The fourth proportional to 5,329,399.20, 7,994,098.80 and 4,972,480.80 is: 7,458,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,399.20 : 7,994,098.80 = 4,972,480.80 : x
  2. Step 2: Convert to fraction form
    5,329,399.20/7,994,098.80 = 4,972,480.80/x
  3. Step 3: Cross multiply
    5,329,399.20x = 7,994,098.80 × 4,972,480.80
  4. Step 4: Simplify right side
    5,329,399.20x = 39,750,502,796,303.04
  5. Step 5: Solve for x
    x = 39,750,502,796,303.04/5,329,399.20
  6. Step 6: Final answer
    x = 7,458,721.20

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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.