Home / 13,631,029.96-18,807,466.26-8,331,383.56

Finding the Fourth Proportional to 13,631,029.96, 18,807,466.26 and 8,331,383.56

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Solution

The fourth proportional to 13,631,029.96, 18,807,466.26 and 8,331,383.56 is: 11,495,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,029.96 : 18,807,466.26 = 8,331,383.56 : x
  2. Step 2: Convert to fraction form
    13,631,029.96/18,807,466.26 = 8,331,383.56/x
  3. Step 3: Cross multiply
    13,631,029.96x = 18,807,466.26 × 8,331,383.56
  4. Step 4: Simplify right side
    13,631,029.96x = 156,692,215,203,818.69
  5. Step 5: Solve for x
    x = 156,692,215,203,818.69/13,631,029.96
  6. Step 6: Final answer
    x = 11,495,258.66

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1.5x scale

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.