Home / 13,274,422.80-18,320,450.40-7,474,334.76

Finding the Fourth Proportional to 13,274,422.80, 18,320,450.40 and 7,474,334.76

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Solution

The fourth proportional to 13,274,422.80, 18,320,450.40 and 7,474,334.76 is: 10,315,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274,422.80 : 18,320,450.40 = 7,474,334.76 : x
  2. Step 2: Convert to fraction form
    13,274,422.80/18,320,450.40 = 7,474,334.76/x
  3. Step 3: Cross multiply
    13,274,422.80x = 18,320,450.40 × 7,474,334.76
  4. Step 4: Simplify right side
    13,274,422.80x = 136,933,179,243,575.89
  5. Step 5: Solve for x
    x = 136,933,179,243,575.89/13,274,422.80
  6. Step 6: Final answer
    x = 10,315,565.60

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1.5x scale

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.