Home / 19,172,452.51-28,759,269.27-8,384,200.21

Finding the Fourth Proportional to 19,172,452.51, 28,759,269.27 and 8,384,200.21

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Solution

The fourth proportional to 19,172,452.51, 28,759,269.27 and 8,384,200.21 is: 12,576,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172,452.51 : 28,759,269.27 = 8,384,200.21 : x
  2. Step 2: Convert to fraction form
    19,172,452.51/28,759,269.27 = 8,384,200.21/x
  3. Step 3: Cross multiply
    19,172,452.51x = 28,759,269.27 × 8,384,200.21
  4. Step 4: Simplify right side
    19,172,452.51x = 241,123,471,520,370.38
  5. Step 5: Solve for x
    x = 241,123,471,520,370.38/19,172,452.51
  6. Step 6: Final answer
    x = 12,576,558.55

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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.