Home / 20,173,889.50-27,820,546.95-13,573,348.54

Finding the Fourth Proportional to 20,173,889.50, 27,820,546.95 and 13,573,348.54

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Solution

The fourth proportional to 20,173,889.50, 27,820,546.95 and 13,573,348.54 is: 18,718,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,889.50 : 27,820,546.95 = 13,573,348.54 : x
  2. Step 2: Convert to fraction form
    20,173,889.50/27,820,546.95 = 13,573,348.54/x
  3. Step 3: Cross multiply
    20,173,889.50x = 27,820,546.95 × 13,573,348.54
  4. Step 4: Simplify right side
    20,173,889.50x = 377,617,980,325,783.94
  5. Step 5: Solve for x
    x = 377,617,980,325,783.94/20,173,889.50
  6. Step 6: Final answer
    x = 18,718,154.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.