Home / 12,768,136.20-19,148,834.70-6,373,672.20

Finding the Fourth Proportional to 12,768,136.20, 19,148,834.70 and 6,373,672.20

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Solution

The fourth proportional to 12,768,136.20, 19,148,834.70 and 6,373,672.20 is: 9,558,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,136.20 : 19,148,834.70 = 6,373,672.20 : x
  2. Step 2: Convert to fraction form
    12,768,136.20/19,148,834.70 = 6,373,672.20/x
  3. Step 3: Cross multiply
    12,768,136.20x = 19,148,834.70 × 6,373,672.20
  4. Step 4: Simplify right side
    12,768,136.20x = 122,048,395,389,785.34
  5. Step 5: Solve for x
    x = 122,048,395,389,785.34/12,768,136.20
  6. Step 6: Final answer
    x = 9,558,826.24

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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.