Home / 20,159,585.40-30,251,187.90-7,381,381.80

Finding the Fourth Proportional to 20,159,585.40, 30,251,187.90 and 7,381,381.80

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Solution

The fourth proportional to 20,159,585.40, 30,251,187.90 and 7,381,381.80 is: 11,076,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,585.40 : 30,251,187.90 = 7,381,381.80 : x
  2. Step 2: Convert to fraction form
    20,159,585.40/30,251,187.90 = 7,381,381.80/x
  3. Step 3: Cross multiply
    20,159,585.40x = 30,251,187.90 × 7,381,381.80
  4. Step 4: Simplify right side
    20,159,585.40x = 223,295,567,793,440.22
  5. Step 5: Solve for x
    x = 223,295,567,793,440.22/20,159,585.40
  6. Step 6: Final answer
    x = 11,076,396.83

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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.