Home / 7,727,133.60-11,590,700.40-3,947,997.60

Finding the Fourth Proportional to 7,727,133.60, 11,590,700.40 and 3,947,997.60

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Solution

The fourth proportional to 7,727,133.60, 11,590,700.40 and 3,947,997.60 is: 5,921,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,133.60 : 11,590,700.40 = 3,947,997.60 : x
  2. Step 2: Convert to fraction form
    7,727,133.60/11,590,700.40 = 3,947,997.60/x
  3. Step 3: Cross multiply
    7,727,133.60x = 11,590,700.40 × 3,947,997.60
  4. Step 4: Simplify right side
    7,727,133.60x = 45,760,057,361,519.04
  5. Step 5: Solve for x
    x = 45,760,057,361,519.04/7,727,133.60
  6. Step 6: Final answer
    x = 5,921,996.40

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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.