Home / 18,672,550.60-28,008,825.90-16,998,511.45

Finding the Fourth Proportional to 18,672,550.60, 28,008,825.90 and 16,998,511.45

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Solution

The fourth proportional to 18,672,550.60, 28,008,825.90 and 16,998,511.45 is: 25,497,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672,550.60 : 28,008,825.90 = 16,998,511.45 : x
  2. Step 2: Convert to fraction form
    18,672,550.60/28,008,825.90 = 16,998,511.45/x
  3. Step 3: Cross multiply
    18,672,550.60x = 28,008,825.90 × 16,998,511.45
  4. Step 4: Simplify right side
    18,672,550.60x = 476,108,347,762,206.50
  5. Step 5: Solve for x
    x = 476,108,347,762,206.50/18,672,550.60
  6. Step 6: Final answer
    x = 25,497,767.18

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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.