Home / 13,669,902.32-20,506,078.20-3,954,362.72

Finding the Fourth Proportional to 13,669,902.32, 20,506,078.20 and 3,954,362.72

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Solution

The fourth proportional to 13,669,902.32, 20,506,078.20 and 3,954,362.72 is: 5,931,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,902.32 : 20,506,078.20 = 3,954,362.72 : x
  2. Step 2: Convert to fraction form
    13,669,902.32/20,506,078.20 = 3,954,362.72/x
  3. Step 3: Cross multiply
    13,669,902.32x = 20,506,078.20 × 3,954,362.72
  4. Step 4: Simplify right side
    13,669,902.32x = 81,088,471,167,484.70
  5. Step 5: Solve for x
    x = 81,088,471,167,484.70/13,669,902.32
  6. Step 6: Final answer
    x = 5,931,898.36

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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.