Home / 20,122,696.38-30,183,401.01-8,457,248.10

Finding the Fourth Proportional to 20,122,696.38, 30,183,401.01 and 8,457,248.10

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Solution

The fourth proportional to 20,122,696.38, 30,183,401.01 and 8,457,248.10 is: 12,685,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,696.38 : 30,183,401.01 = 8,457,248.10 : x
  2. Step 2: Convert to fraction form
    20,122,696.38/30,183,401.01 = 8,457,248.10/x
  3. Step 3: Cross multiply
    20,122,696.38x = 30,183,401.01 × 8,457,248.10
  4. Step 4: Simplify right side
    20,122,696.38x = 255,268,510,988,263.03
  5. Step 5: Solve for x
    x = 255,268,510,988,263.03/20,122,696.38
  6. Step 6: Final answer
    x = 12,685,601.68

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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.