Home / 18,494,047.72-27,740,499.58-8,785,649.40

Finding the Fourth Proportional to 18,494,047.72, 27,740,499.58 and 8,785,649.40

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Solution

The fourth proportional to 18,494,047.72, 27,740,499.58 and 8,785,649.40 is: 13,178,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494,047.72 : 27,740,499.58 = 8,785,649.40 : x
  2. Step 2: Convert to fraction form
    18,494,047.72/27,740,499.58 = 8,785,649.40/x
  3. Step 3: Cross multiply
    18,494,047.72x = 27,740,499.58 × 8,785,649.40
  4. Step 4: Simplify right side
    18,494,047.72x = 243,718,303,490,727.25
  5. Step 5: Solve for x
    x = 243,718,303,490,727.25/18,494,047.72
  6. Step 6: Final answer
    x = 13,178,202.37

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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.