Home / 13,476,801.60-20,183,709.60-13,206,196.80

Finding the Fourth Proportional to 13,476,801.60, 20,183,709.60 and 13,206,196.80

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Solution

The fourth proportional to 13,476,801.60, 20,183,709.60 and 13,206,196.80 is: 19,778,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,801.60 : 20,183,709.60 = 13,206,196.80 : x
  2. Step 2: Convert to fraction form
    13,476,801.60/20,183,709.60 = 13,206,196.80/x
  3. Step 3: Cross multiply
    13,476,801.60x = 20,183,709.60 × 13,206,196.80
  4. Step 4: Simplify right side
    13,476,801.60x = 266,550,041,131,649.31
  5. Step 5: Solve for x
    x = 266,550,041,131,649.31/13,476,801.60
  6. Step 6: Final answer
    x = 19,778,434.75

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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.