Home / 20,868,002.20-31,302,003.30-14,821,384.60

Finding the Fourth Proportional to 20,868,002.20, 31,302,003.30 and 14,821,384.60

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Solution

The fourth proportional to 20,868,002.20, 31,302,003.30 and 14,821,384.60 is: 22,232,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,868,002.20 : 31,302,003.30 = 14,821,384.60 : x
  2. Step 2: Convert to fraction form
    20,868,002.20/31,302,003.30 = 14,821,384.60/x
  3. Step 3: Cross multiply
    20,868,002.20x = 31,302,003.30 × 14,821,384.60
  4. Step 4: Simplify right side
    20,868,002.20x = 463,939,029,659,769.19
  5. Step 5: Solve for x
    x = 463,939,029,659,769.19/20,868,002.20
  6. Step 6: Final answer
    x = 22,232,076.90

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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.