Home / 18,683,517.80-28,025,276.70-11,471,666.60

Finding the Fourth Proportional to 18,683,517.80, 28,025,276.70 and 11,471,666.60

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Solution

The fourth proportional to 18,683,517.80, 28,025,276.70 and 11,471,666.60 is: 17,207,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,517.80 : 28,025,276.70 = 11,471,666.60 : x
  2. Step 2: Convert to fraction form
    18,683,517.80/28,025,276.70 = 11,471,666.60/x
  3. Step 3: Cross multiply
    18,683,517.80x = 28,025,276.70 × 11,471,666.60
  4. Step 4: Simplify right side
    18,683,517.80x = 321,496,630,675,148.19
  5. Step 5: Solve for x
    x = 321,496,630,675,148.19/18,683,517.80
  6. Step 6: Final answer
    x = 17,207,499.90

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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.