Home / 13,353,905.30-20,051,853.15-7,685,201.30

Finding the Fourth Proportional to 13,353,905.30, 20,051,853.15 and 7,685,201.30

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Solution

The fourth proportional to 13,353,905.30, 20,051,853.15 and 7,685,201.30 is: 11,539,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,905.30 : 20,051,853.15 = 7,685,201.30 : x
  2. Step 2: Convert to fraction form
    13,353,905.30/20,051,853.15 = 7,685,201.30/x
  3. Step 3: Cross multiply
    13,353,905.30x = 20,051,853.15 × 7,685,201.30
  4. Step 4: Simplify right side
    13,353,905.30x = 154,102,527,895,789.09
  5. Step 5: Solve for x
    x = 154,102,527,895,789.09/13,353,905.30
  6. Step 6: Final answer
    x = 11,539,884.73

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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.