Home / 19,008,022.80-28,512,034.20-8,930,326.80

Finding the Fourth Proportional to 19,008,022.80, 28,512,034.20 and 8,930,326.80

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Solution

The fourth proportional to 19,008,022.80, 28,512,034.20 and 8,930,326.80 is: 13,395,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,022.80 : 28,512,034.20 = 8,930,326.80 : x
  2. Step 2: Convert to fraction form
    19,008,022.80/28,512,034.20 = 8,930,326.80/x
  3. Step 3: Cross multiply
    19,008,022.80x = 28,512,034.20 × 8,930,326.80
  4. Step 4: Simplify right side
    19,008,022.80x = 254,621,783,138,776.56
  5. Step 5: Solve for x
    x = 254,621,783,138,776.56/19,008,022.80
  6. Step 6: Final answer
    x = 13,395,490.20

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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.