Home / 36,206,890.40-54,373,321.20-19,200,778.40

Finding the Fourth Proportional to 36,206,890.40, 54,373,321.20 and 19,200,778.40

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Solution

The fourth proportional to 36,206,890.40, 54,373,321.20 and 19,200,778.40 is: 28,834,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206,890.40 : 54,373,321.20 = 19,200,778.40 : x
  2. Step 2: Convert to fraction form
    36,206,890.40/54,373,321.20 = 19,200,778.40/x
  3. Step 3: Cross multiply
    36,206,890.40x = 54,373,321.20 × 19,200,778.40
  4. Step 4: Simplify right side
    36,206,890.40x = 1,044,010,091,233,222
  5. Step 5: Solve for x
    x = 1,044,010,091,233,222/36,206,890.40
  6. Step 6: Final answer
    x = 28,834,569.32

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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.