Home / 13,898,434.54-20,843,454.51-4,180,467.78

Finding the Fourth Proportional to 13,898,434.54, 20,843,454.51 and 4,180,467.78

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Solution

The fourth proportional to 13,898,434.54, 20,843,454.51 and 4,180,467.78 is: 6,269,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,434.54 : 20,843,454.51 = 4,180,467.78 : x
  2. Step 2: Convert to fraction form
    13,898,434.54/20,843,454.51 = 4,180,467.78/x
  3. Step 3: Cross multiply
    13,898,434.54x = 20,843,454.51 × 4,180,467.78
  4. Step 4: Simplify right side
    13,898,434.54x = 87,135,390,035,919.50
  5. Step 5: Solve for x
    x = 87,135,390,035,919.50/13,898,434.54
  6. Step 6: Final answer
    x = 6,269,439.18

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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.