Home / 18,816,002.80-28,224,004.20-12,844,034.80

Finding the Fourth Proportional to 18,816,002.80, 28,224,004.20 and 12,844,034.80

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Solution

The fourth proportional to 18,816,002.80, 28,224,004.20 and 12,844,034.80 is: 19,266,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,002.80 : 28,224,004.20 = 12,844,034.80 : x
  2. Step 2: Convert to fraction form
    18,816,002.80/28,224,004.20 = 12,844,034.80/x
  3. Step 3: Cross multiply
    18,816,002.80x = 28,224,004.20 × 12,844,034.80
  4. Step 4: Simplify right side
    18,816,002.80x = 362,510,092,140,146.19
  5. Step 5: Solve for x
    x = 362,510,092,140,146.19/18,816,002.80
  6. Step 6: Final answer
    x = 19,266,052.20

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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.