Home / 13,416,091.20-20,124,136.80-9,664,948.80

Finding the Fourth Proportional to 13,416,091.20, 20,124,136.80 and 9,664,948.80

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Solution

The fourth proportional to 13,416,091.20, 20,124,136.80 and 9,664,948.80 is: 14,497,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,091.20 : 20,124,136.80 = 9,664,948.80 : x
  2. Step 2: Convert to fraction form
    13,416,091.20/20,124,136.80 = 9,664,948.80/x
  3. Step 3: Cross multiply
    13,416,091.20x = 20,124,136.80 × 9,664,948.80
  4. Step 4: Simplify right side
    13,416,091.20x = 194,498,751,816,195.88
  5. Step 5: Solve for x
    x = 194,498,751,816,195.88/13,416,091.20
  6. Step 6: Final answer
    x = 14,497,423.20

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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.