Home / 12,393,028.48-18,592,696.08-7,279,782.40

Finding the Fourth Proportional to 12,393,028.48, 18,592,696.08 and 7,279,782.40

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Solution

The fourth proportional to 12,393,028.48, 18,592,696.08 and 7,279,782.40 is: 10,921,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,028.48 : 18,592,696.08 = 7,279,782.40 : x
  2. Step 2: Convert to fraction form
    12,393,028.48/18,592,696.08 = 7,279,782.40/x
  3. Step 3: Cross multiply
    12,393,028.48x = 18,592,696.08 × 7,279,782.40
  4. Step 4: Simplify right side
    12,393,028.48x = 135,350,781,691,732.98
  5. Step 5: Solve for x
    x = 135,350,781,691,732.98/12,393,028.48
  6. Step 6: Final answer
    x = 10,921,525.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.