Home / 12,540,033.40-18,810,050.10-10,626,845.80

Finding the Fourth Proportional to 12,540,033.40, 18,810,050.10 and 10,626,845.80

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Solution

The fourth proportional to 12,540,033.40, 18,810,050.10 and 10,626,845.80 is: 15,940,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,033.40 : 18,810,050.10 = 10,626,845.80 : x
  2. Step 2: Convert to fraction form
    12,540,033.40/18,810,050.10 = 10,626,845.80/x
  3. Step 3: Cross multiply
    12,540,033.40x = 18,810,050.10 × 10,626,845.80
  4. Step 4: Simplify right side
    12,540,033.40x = 199,891,501,902,974.62
  5. Step 5: Solve for x
    x = 199,891,501,902,974.62/12,540,033.40
  6. Step 6: Final answer
    x = 15,940,268.70

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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.