Home / 5,389,666.20-8,084,499.30-5,177,089.80

Finding the Fourth Proportional to 5,389,666.20, 8,084,499.30 and 5,177,089.80

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Solution

The fourth proportional to 5,389,666.20, 8,084,499.30 and 5,177,089.80 is: 7,765,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,666.20 : 8,084,499.30 = 5,177,089.80 : x
  2. Step 2: Convert to fraction form
    5,389,666.20/8,084,499.30 = 5,177,089.80/x
  3. Step 3: Cross multiply
    5,389,666.20x = 8,084,499.30 × 5,177,089.80
  4. Step 4: Simplify right side
    5,389,666.20x = 41,854,178,864,137.14
  5. Step 5: Solve for x
    x = 41,854,178,864,137.14/5,389,666.20
  6. Step 6: Final answer
    x = 7,765,634.70

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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.