Home / 19,198,729.80-28,756,104.30-14,905,211.40

Finding the Fourth Proportional to 19,198,729.80, 28,756,104.30 and 14,905,211.40

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Solution

The fourth proportional to 19,198,729.80, 28,756,104.30 and 14,905,211.40 is: 22,325,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198,729.80 : 28,756,104.30 = 14,905,211.40 : x
  2. Step 2: Convert to fraction form
    19,198,729.80/28,756,104.30 = 14,905,211.40/x
  3. Step 3: Cross multiply
    19,198,729.80x = 28,756,104.30 × 14,905,211.40
  4. Step 4: Simplify right side
    19,198,729.80x = 428,615,813,631,949.06
  5. Step 5: Solve for x
    x = 428,615,813,631,949.06/19,198,729.80
  6. Step 6: Final answer
    x = 22,325,217.25

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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.