Home / 13,818,604.89-20,730,564.11-5,298,276.81

Finding the Fourth Proportional to 13,818,604.89, 20,730,564.11 and 5,298,276.81

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Solution

The fourth proportional to 13,818,604.89, 20,730,564.11 and 5,298,276.81 is: 7,948,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,604.89 : 20,730,564.11 = 5,298,276.81 : x
  2. Step 2: Convert to fraction form
    13,818,604.89/20,730,564.11 = 5,298,276.81/x
  3. Step 3: Cross multiply
    13,818,604.89x = 20,730,564.11 × 5,298,276.81
  4. Step 4: Simplify right side
    13,818,604.89x = 109,836,267,055,739.91
  5. Step 5: Solve for x
    x = 109,836,267,055,739.91/13,818,604.89
  6. Step 6: Final answer
    x = 7,948,433.86

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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.