Home / 8,428,836.12-11,631,822.80-4,561,356.26

Finding the Fourth Proportional to 8,428,836.12, 11,631,822.80 and 4,561,356.26

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Solution

The fourth proportional to 8,428,836.12, 11,631,822.80 and 4,561,356.26 is: 6,294,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,836.12 : 11,631,822.80 = 4,561,356.26 : x
  2. Step 2: Convert to fraction form
    8,428,836.12/11,631,822.80 = 4,561,356.26/x
  3. Step 3: Cross multiply
    8,428,836.12x = 11,631,822.80 × 4,561,356.26
  4. Step 4: Simplify right side
    8,428,836.12x = 53,056,887,663,024.83
  5. Step 5: Solve for x
    x = 53,056,887,663,024.83/8,428,836.12
  6. Step 6: Final answer
    x = 6,294,687.30

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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.