Home / 19,288,082.40-28,965,301.20-13,647,890.40

Finding the Fourth Proportional to 19,288,082.40, 28,965,301.20 and 13,647,890.40

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Solution

The fourth proportional to 19,288,082.40, 28,965,301.20 and 13,647,890.40 is: 20,495,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288,082.40 : 28,965,301.20 = 13,647,890.40 : x
  2. Step 2: Convert to fraction form
    19,288,082.40/28,965,301.20 = 13,647,890.40/x
  3. Step 3: Cross multiply
    19,288,082.40x = 28,965,301.20 × 13,647,890.40
  4. Step 4: Simplify right side
    19,288,082.40x = 395,315,256,180,588.50
  5. Step 5: Solve for x
    x = 395,315,256,180,588.50/19,288,082.40
  6. Step 6: Final answer
    x = 20,495,311.46

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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.