Home / 5,365,619.80-8,048,429.70-4,987,706.20

Finding the Fourth Proportional to 5,365,619.80, 8,048,429.70 and 4,987,706.20

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Solution

The fourth proportional to 5,365,619.80, 8,048,429.70 and 4,987,706.20 is: 7,481,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365,619.80 : 8,048,429.70 = 4,987,706.20 : x
  2. Step 2: Convert to fraction form
    5,365,619.80/8,048,429.70 = 4,987,706.20/x
  3. Step 3: Cross multiply
    5,365,619.80x = 8,048,429.70 × 4,987,706.20
  4. Step 4: Simplify right side
    5,365,619.80x = 40,143,202,714,954.14
  5. Step 5: Solve for x
    x = 40,143,202,714,954.14/5,365,619.80
  6. Step 6: Final answer
    x = 7,481,559.30

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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.