Home / 20,209,728.56-27,889,382.52-11,042,437.04

Finding the Fourth Proportional to 20,209,728.56, 27,889,382.52 and 11,042,437.04

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Solution

The fourth proportional to 20,209,728.56, 27,889,382.52 and 11,042,437.04 is: 15,238,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209,728.56 : 27,889,382.52 = 11,042,437.04 : x
  2. Step 2: Convert to fraction form
    20,209,728.56/27,889,382.52 = 11,042,437.04/x
  3. Step 3: Cross multiply
    20,209,728.56x = 27,889,382.52 × 11,042,437.04
  4. Step 4: Simplify right side
    20,209,728.56x = 307,966,750,561,576.50
  5. Step 5: Solve for x
    x = 307,966,750,561,576.50/20,209,728.56
  6. Step 6: Final answer
    x = 15,238,539.68

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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.