Home / 7,835,897.60-11,753,846.40-5,297,811.20

Finding the Fourth Proportional to 7,835,897.60, 11,753,846.40 and 5,297,811.20

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Solution

The fourth proportional to 7,835,897.60, 11,753,846.40 and 5,297,811.20 is: 7,946,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835,897.60 : 11,753,846.40 = 5,297,811.20 : x
  2. Step 2: Convert to fraction form
    7,835,897.60/11,753,846.40 = 5,297,811.20/x
  3. Step 3: Cross multiply
    7,835,897.60x = 11,753,846.40 × 5,297,811.20
  4. Step 4: Simplify right side
    7,835,897.60x = 62,269,659,100,999.69
  5. Step 5: Solve for x
    x = 62,269,659,100,999.69/7,835,897.60
  6. Step 6: Final answer
    x = 7,946,716.80

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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.