Home / 30,374,873.38-45,555,130.23-11,195,213.86

Finding the Fourth Proportional to 30,374,873.38, 45,555,130.23 and 11,195,213.86

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Solution

The fourth proportional to 30,374,873.38, 45,555,130.23 and 11,195,213.86 is: 16,790,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374,873.38 : 45,555,130.23 = 11,195,213.86 : x
  2. Step 2: Convert to fraction form
    30,374,873.38/45,555,130.23 = 11,195,213.86/x
  3. Step 3: Cross multiply
    30,374,873.38x = 45,555,130.23 × 11,195,213.86
  4. Step 4: Simplify right side
    30,374,873.38x = 509,999,425,345,000.94
  5. Step 5: Solve for x
    x = 509,999,425,345,000.94/30,374,873.38
  6. Step 6: Final answer
    x = 16,790,174.53

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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.