Home / 8,428,619.52-11,631,494.96-4,561,140.68

Finding the Fourth Proportional to 8,428,619.52, 11,631,494.96 and 4,561,140.68

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Solution

The fourth proportional to 8,428,619.52, 11,631,494.96 and 4,561,140.68 is: 6,294,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,619.52 : 11,631,494.96 = 4,561,140.68 : x
  2. Step 2: Convert to fraction form
    8,428,619.52/11,631,494.96 = 4,561,140.68/x
  3. Step 3: Cross multiply
    8,428,619.52x = 11,631,494.96 × 4,561,140.68
  4. Step 4: Simplify right side
    8,428,619.52x = 53,052,884,831,270.98
  5. Step 5: Solve for x
    x = 53,052,884,831,270.98/8,428,619.52
  6. Step 6: Final answer
    x = 6,294,374.15

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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.