Home / 18,722,118.90-28,035,939.15-14,942,982.90

Finding the Fourth Proportional to 18,722,118.90, 28,035,939.15 and 14,942,982.90

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Solution

The fourth proportional to 18,722,118.90, 28,035,939.15 and 14,942,982.90 is: 22,376,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,118.90 : 28,035,939.15 = 14,942,982.90 : x
  2. Step 2: Convert to fraction form
    18,722,118.90/28,035,939.15 = 14,942,982.90/x
  3. Step 3: Cross multiply
    18,722,118.90x = 28,035,939.15 × 14,942,982.90
  4. Step 4: Simplify right side
    18,722,118.90x = 418,940,559,303,890.50
  5. Step 5: Solve for x
    x = 418,940,559,303,890.50/18,722,118.90
  6. Step 6: Final answer
    x = 22,376,770.58

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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.