Home / 19,043,785.95-26,288,466.17-12,857,209.44

Finding the Fourth Proportional to 19,043,785.95, 26,288,466.17 and 12,857,209.44

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Solution

The fourth proportional to 19,043,785.95, 26,288,466.17 and 12,857,209.44 is: 17,748,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,785.95 : 26,288,466.17 = 12,857,209.44 : x
  2. Step 2: Convert to fraction form
    19,043,785.95/26,288,466.17 = 12,857,209.44/x
  3. Step 3: Cross multiply
    19,043,785.95x = 26,288,466.17 × 12,857,209.44
  4. Step 4: Simplify right side
    19,043,785.95x = 337,996,315,339,758.56
  5. Step 5: Solve for x
    x = 337,996,315,339,758.56/19,043,785.95
  6. Step 6: Final answer
    x = 17,748,378.20

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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.