Home / 19,043,355.80-26,287,876.52-12,856,782.85

Finding the Fourth Proportional to 19,043,355.80, 26,287,876.52 and 12,856,782.85

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Solution

The fourth proportional to 19,043,355.80, 26,287,876.52 and 12,856,782.85 is: 17,747,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,355.80 : 26,287,876.52 = 12,856,782.85 : x
  2. Step 2: Convert to fraction form
    19,043,355.80/26,287,876.52 = 12,856,782.85/x
  3. Step 3: Cross multiply
    19,043,355.80x = 26,287,876.52 × 12,856,782.85
  4. Step 4: Simplify right side
    19,043,355.80x = 337,977,519,995,782.44
  5. Step 5: Solve for x
    x = 337,977,519,995,782.44/19,043,355.80
  6. Step 6: Final answer
    x = 17,747,792.12

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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.