Home / 15,071,076.37-20,797,457.25-8,545,147.30

Finding the Fourth Proportional to 15,071,076.37, 20,797,457.25 and 8,545,147.30

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Solution

The fourth proportional to 15,071,076.37, 20,797,457.25 and 8,545,147.30 is: 11,791,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,076.37 : 20,797,457.25 = 8,545,147.30 : x
  2. Step 2: Convert to fraction form
    15,071,076.37/20,797,457.25 = 8,545,147.30/x
  3. Step 3: Cross multiply
    15,071,076.37x = 20,797,457.25 × 8,545,147.30
  4. Step 4: Simplify right side
    15,071,076.37x = 177,717,335,666,702.94
  5. Step 5: Solve for x
    x = 177,717,335,666,702.94/15,071,076.37
  6. Step 6: Final answer
    x = 11,791,947.12

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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.