Home / 13,207,702.76-18,218,907.62-8,305,165.80

Finding the Fourth Proportional to 13,207,702.76, 18,218,907.62 and 8,305,165.80

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Solution

The fourth proportional to 13,207,702.76, 18,218,907.62 and 8,305,165.80 is: 11,456,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,702.76 : 18,218,907.62 = 8,305,165.80 : x
  2. Step 2: Convert to fraction form
    13,207,702.76/18,218,907.62 = 8,305,165.80/x
  3. Step 3: Cross multiply
    13,207,702.76x = 18,218,907.62 × 8,305,165.80
  4. Step 4: Simplify right side
    13,207,702.76x = 151,311,048,478,983.41
  5. Step 5: Solve for x
    x = 151,311,048,478,983.41/13,207,702.76
  6. Step 6: Final answer
    x = 11,456,273.00

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