Home / 13,093,993.46-18,070,274.13-7,292,777.78

Finding the Fourth Proportional to 13,093,993.46, 18,070,274.13 and 7,292,777.78

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Solution

The fourth proportional to 13,093,993.46, 18,070,274.13 and 7,292,777.78 is: 10,064,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093,993.46 : 18,070,274.13 = 7,292,777.78 : x
  2. Step 2: Convert to fraction form
    13,093,993.46/18,070,274.13 = 7,292,777.78/x
  3. Step 3: Cross multiply
    13,093,993.46x = 18,070,274.13 × 7,292,777.78
  4. Step 4: Simplify right side
    13,093,993.46x = 131,782,493,653,772.83
  5. Step 5: Solve for x
    x = 131,782,493,653,772.83/13,093,993.46
  6. Step 6: Final answer
    x = 10,064,346.99

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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.