Home / 5,314,891.20-7,972,336.80-5,174,923.20

Finding the Fourth Proportional to 5,314,891.20, 7,972,336.80 and 5,174,923.20

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Solution

The fourth proportional to 5,314,891.20, 7,972,336.80 and 5,174,923.20 is: 7,762,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,891.20 : 7,972,336.80 = 5,174,923.20 : x
  2. Step 2: Convert to fraction form
    5,314,891.20/7,972,336.80 = 5,174,923.20/x
  3. Step 3: Cross multiply
    5,314,891.20x = 7,972,336.80 × 5,174,923.20
  4. Step 4: Simplify right side
    5,314,891.20x = 41,256,230,664,533.76
  5. Step 5: Solve for x
    x = 41,256,230,664,533.76/5,314,891.20
  6. Step 6: Final answer
    x = 7,762,384.80

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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.