Home / 14,738,101.20-20,337,768.34-8,121,386.64

Finding the Fourth Proportional to 14,738,101.20, 20,337,768.34 and 8,121,386.64

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Solution

The fourth proportional to 14,738,101.20, 20,337,768.34 and 8,121,386.64 is: 11,207,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738,101.20 : 20,337,768.34 = 8,121,386.64 : x
  2. Step 2: Convert to fraction form
    14,738,101.20/20,337,768.34 = 8,121,386.64/x
  3. Step 3: Cross multiply
    14,738,101.20x = 20,337,768.34 × 8,121,386.64
  4. Step 4: Simplify right side
    14,738,101.20x = 165,170,880,083,890.97
  5. Step 5: Solve for x
    x = 165,170,880,083,890.97/14,738,101.20
  6. Step 6: Final answer
    x = 11,207,066.49

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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.