Home / 14,043,344.40-21,065,016.60-12,419,715.60

Finding the Fourth Proportional to 14,043,344.40, 21,065,016.60 and 12,419,715.60

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Solution

The fourth proportional to 14,043,344.40, 21,065,016.60 and 12,419,715.60 is: 18,629,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,344.40 : 21,065,016.60 = 12,419,715.60 : x
  2. Step 2: Convert to fraction form
    14,043,344.40/21,065,016.60 = 12,419,715.60/x
  3. Step 3: Cross multiply
    14,043,344.40x = 21,065,016.60 × 12,419,715.60
  4. Step 4: Simplify right side
    14,043,344.40x = 261,621,515,281,278.97
  5. Step 5: Solve for x
    x = 261,621,515,281,278.97/14,043,344.40
  6. Step 6: Final answer
    x = 18,629,573.40

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1.5x scale

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.