Home / 12,048,542.40-18,086,810.40-7,261,636.80

Finding the Fourth Proportional to 12,048,542.40, 18,086,810.40 and 7,261,636.80

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Solution

The fourth proportional to 12,048,542.40, 18,086,810.40 and 7,261,636.80 is: 10,900,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,542.40 : 18,086,810.40 = 7,261,636.80 : x
  2. Step 2: Convert to fraction form
    12,048,542.40/18,086,810.40 = 7,261,636.80/x
  3. Step 3: Cross multiply
    12,048,542.40x = 18,086,810.40 × 7,261,636.80
  4. Step 4: Simplify right side
    12,048,542.40x = 131,339,847,995,262.70
  5. Step 5: Solve for x
    x = 131,339,847,995,262.70/12,048,542.40
  6. Step 6: Final answer
    x = 10,900,891.05

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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.