Home / 7,768,821.78-10,721,558.52-4,505,610.02

Finding the Fourth Proportional to 7,768,821.78, 10,721,558.52 and 4,505,610.02

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Solution

The fourth proportional to 7,768,821.78, 10,721,558.52 and 4,505,610.02 is: 6,218,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,821.78 : 10,721,558.52 = 4,505,610.02 : x
  2. Step 2: Convert to fraction form
    7,768,821.78/10,721,558.52 = 4,505,610.02/x
  3. Step 3: Cross multiply
    7,768,821.78x = 10,721,558.52 × 4,505,610.02
  4. Step 4: Simplify right side
    7,768,821.78x = 48,307,161,444,120.57
  5. Step 5: Solve for x
    x = 48,307,161,444,120.57/7,768,821.78
  6. Step 6: Final answer
    x = 6,218,080.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.