Home / 18,679,220.40-28,024,079.40-9,094,911.60

Finding the Fourth Proportional to 18,679,220.40, 28,024,079.40 and 9,094,911.60

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Solution

The fourth proportional to 18,679,220.40, 28,024,079.40 and 9,094,911.60 is: 13,644,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,220.40 : 28,024,079.40 = 9,094,911.60 : x
  2. Step 2: Convert to fraction form
    18,679,220.40/28,024,079.40 = 9,094,911.60/x
  3. Step 3: Cross multiply
    18,679,220.40x = 28,024,079.40 × 9,094,911.60
  4. Step 4: Simplify right side
    18,679,220.40x = 254,876,524,814,381.03
  5. Step 5: Solve for x
    x = 254,876,524,814,381.03/18,679,220.40
  6. Step 6: Final answer
    x = 13,644,923.04

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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.