Home / 25,140,145.20-37,691,785.80-9,986,583.60

Finding the Fourth Proportional to 25,140,145.20, 37,691,785.80 and 9,986,583.60

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Solution

The fourth proportional to 25,140,145.20, 37,691,785.80 and 9,986,583.60 is: 14,972,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140,145.20 : 37,691,785.80 = 9,986,583.60 : x
  2. Step 2: Convert to fraction form
    25,140,145.20/37,691,785.80 = 9,986,583.60/x
  3. Step 3: Cross multiply
    25,140,145.20x = 37,691,785.80 × 9,986,583.60
  4. Step 4: Simplify right side
    25,140,145.20x = 376,412,169,924,992.81
  5. Step 5: Solve for x
    x = 376,412,169,924,992.81/25,140,145.20
  6. Step 6: Final answer
    x = 14,972,553.54

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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.