Home / 18,678,607.70-27,991,574.60-8,820,152.37

Finding the Fourth Proportional to 18,678,607.70, 27,991,574.60 and 8,820,152.37

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Solution

The fourth proportional to 18,678,607.70, 27,991,574.60 and 8,820,152.37 is: 13,217,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,607.70 : 27,991,574.60 = 8,820,152.37 : x
  2. Step 2: Convert to fraction form
    18,678,607.70/27,991,574.60 = 8,820,152.37/x
  3. Step 3: Cross multiply
    18,678,607.70x = 27,991,574.60 × 8,820,152.37
  4. Step 4: Simplify right side
    18,678,607.70x = 246,889,953,004,121
  5. Step 5: Solve for x
    x = 246,889,953,004,121/18,678,607.70
  6. Step 6: Final answer
    x = 13,217,792.09

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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.