Home / 18,714,704.40-28,024,817.40-12,290,173.20

Finding the Fourth Proportional to 18,714,704.40, 28,024,817.40 and 12,290,173.20

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Solution

The fourth proportional to 18,714,704.40, 28,024,817.40 and 12,290,173.20 is: 18,404,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,704.40 : 28,024,817.40 = 12,290,173.20 : x
  2. Step 2: Convert to fraction form
    18,714,704.40/28,024,817.40 = 12,290,173.20/x
  3. Step 3: Cross multiply
    18,714,704.40x = 28,024,817.40 × 12,290,173.20
  4. Step 4: Simplify right side
    18,714,704.40x = 344,429,859,744,373.62
  5. Step 5: Solve for x
    x = 344,429,859,744,373.62/18,714,704.40
  6. Step 6: Final answer
    x = 18,404,237.24

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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.