Home / 12,843,037.20-19,264,555.80-5,266,102.80

Finding the Fourth Proportional to 12,843,037.20, 19,264,555.80 and 5,266,102.80

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Solution

The fourth proportional to 12,843,037.20, 19,264,555.80 and 5,266,102.80 is: 7,899,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843,037.20 : 19,264,555.80 = 5,266,102.80 : x
  2. Step 2: Convert to fraction form
    12,843,037.20/19,264,555.80 = 5,266,102.80/x
  3. Step 3: Cross multiply
    12,843,037.20x = 19,264,555.80 × 5,266,102.80
  4. Step 4: Simplify right side
    12,843,037.20x = 101,449,131,239,136.23
  5. Step 5: Solve for x
    x = 101,449,131,239,136.23/12,843,037.20
  6. Step 6: Final answer
    x = 7,899,154.20

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1.5x scale

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.