Home / 19,793,078.80-29,689,618.20-13,069,085.20

Finding the Fourth Proportional to 19,793,078.80, 29,689,618.20 and 13,069,085.20

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Solution

The fourth proportional to 19,793,078.80, 29,689,618.20 and 13,069,085.20 is: 19,603,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793,078.80 : 29,689,618.20 = 13,069,085.20 : x
  2. Step 2: Convert to fraction form
    19,793,078.80/29,689,618.20 = 13,069,085.20/x
  3. Step 3: Cross multiply
    19,793,078.80x = 29,689,618.20 × 13,069,085.20
  4. Step 4: Simplify right side
    19,793,078.80x = 388,016,149,811,270.62
  5. Step 5: Solve for x
    x = 388,016,149,811,270.62/19,793,078.80
  6. Step 6: Final answer
    x = 19,603,627.80

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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.