Home / 5,314,967.20-7,972,450.80-5,174,999.20

Finding the Fourth Proportional to 5,314,967.20, 7,972,450.80 and 5,174,999.20

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Solution

The fourth proportional to 5,314,967.20, 7,972,450.80 and 5,174,999.20 is: 7,762,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,967.20 : 7,972,450.80 = 5,174,999.20 : x
  2. Step 2: Convert to fraction form
    5,314,967.20/7,972,450.80 = 5,174,999.20/x
  3. Step 3: Cross multiply
    5,314,967.20x = 7,972,450.80 × 5,174,999.20
  4. Step 4: Simplify right side
    5,314,967.20x = 41,257,426,512,039.36
  5. Step 5: Solve for x
    x = 41,257,426,512,039.36/5,314,967.20
  6. Step 6: Final answer
    x = 7,762,498.80

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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.