Home / 13,486,558-18,611,442-7,374,986.56

Finding the Fourth Proportional to 13,486,558, 18,611,442 and 7,374,986.56

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Solution

The fourth proportional to 13,486,558, 18,611,442 and 7,374,986.56 is: 10,177,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,558 : 18,611,442 = 7,374,986.56 : x
  2. Step 2: Convert to fraction form
    13,486,558/18,611,442 = 7,374,986.56/x
  3. Step 3: Cross multiply
    13,486,558x = 18,611,442 × 7,374,986.56
  4. Step 4: Simplify right side
    13,486,558x = 137,259,134,612,219.52
  5. Step 5: Solve for x
    x = 137,259,134,612,219.52/13,486,558
  6. Step 6: Final answer
    x = 10,177,477.06

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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.