Home / 13,537,209.60-20,305,814.40-12,940,012.80

Finding the Fourth Proportional to 13,537,209.60, 20,305,814.40 and 12,940,012.80

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Solution

The fourth proportional to 13,537,209.60, 20,305,814.40 and 12,940,012.80 is: 19,410,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537,209.60 : 20,305,814.40 = 12,940,012.80 : x
  2. Step 2: Convert to fraction form
    13,537,209.60/20,305,814.40 = 12,940,012.80/x
  3. Step 3: Cross multiply
    13,537,209.60x = 20,305,814.40 × 12,940,012.80
  4. Step 4: Simplify right side
    13,537,209.60x = 262,757,498,250,424.31
  5. Step 5: Solve for x
    x = 262,757,498,250,424.31/13,537,209.60
  6. Step 6: Final answer
    x = 19,410,019.20

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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.