Home / 20,185,299.20-30,277,948.80-9,568,467.20

Finding the Fourth Proportional to 20,185,299.20, 30,277,948.80 and 9,568,467.20

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Solution

The fourth proportional to 20,185,299.20, 30,277,948.80 and 9,568,467.20 is: 14,352,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,299.20 : 30,277,948.80 = 9,568,467.20 : x
  2. Step 2: Convert to fraction form
    20,185,299.20/30,277,948.80 = 9,568,467.20/x
  3. Step 3: Cross multiply
    20,185,299.20x = 30,277,948.80 × 9,568,467.20
  4. Step 4: Simplify right side
    20,185,299.20x = 289,713,559,976,079.38
  5. Step 5: Solve for x
    x = 289,713,559,976,079.38/20,185,299.20
  6. Step 6: Final answer
    x = 14,352,700.80

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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.