Home / 20,488,404.10-30,732,606.15-19,543,620.10

Finding the Fourth Proportional to 20,488,404.10, 30,732,606.15 and 19,543,620.10

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Solution

The fourth proportional to 20,488,404.10, 30,732,606.15 and 19,543,620.10 is: 29,315,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,404.10 : 30,732,606.15 = 19,543,620.10 : x
  2. Step 2: Convert to fraction form
    20,488,404.10/30,732,606.15 = 19,543,620.10/x
  3. Step 3: Cross multiply
    20,488,404.10x = 30,732,606.15 × 19,543,620.10
  4. Step 4: Simplify right side
    20,488,404.10x = 600,626,379,278,523.62
  5. Step 5: Solve for x
    x = 600,626,379,278,523.62/20,488,404.10
  6. Step 6: Final answer
    x = 29,315,430.15

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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.