Home / 13,954,380-20,931,570.22-4,370,508.60

Finding the Fourth Proportional to 13,954,380, 20,931,570.22 and 4,370,508.60

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Solution

The fourth proportional to 13,954,380, 20,931,570.22 and 4,370,508.60 is: 6,555,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954,380 : 20,931,570.22 = 4,370,508.60 : x
  2. Step 2: Convert to fraction form
    13,954,380/20,931,570.22 = 4,370,508.60/x
  3. Step 3: Cross multiply
    13,954,380x = 20,931,570.22 × 4,370,508.60
  4. Step 4: Simplify right side
    13,954,380x = 91,481,607,658,013.88
  5. Step 5: Solve for x
    x = 91,481,607,658,013.88/13,954,380
  6. Step 6: Final answer
    x = 6,555,762.97

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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.