Home / 13,620,505.71-20,430,832.20-4,035,967.26

Finding the Fourth Proportional to 13,620,505.71, 20,430,832.20 and 4,035,967.26

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Solution

The fourth proportional to 13,620,505.71, 20,430,832.20 and 4,035,967.26 is: 6,053,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,505.71 : 20,430,832.20 = 4,035,967.26 : x
  2. Step 2: Convert to fraction form
    13,620,505.71/20,430,832.20 = 4,035,967.26/x
  3. Step 3: Cross multiply
    13,620,505.71x = 20,430,832.20 × 4,035,967.26
  4. Step 4: Simplify right side
    13,620,505.71x = 82,458,169,853,753.77
  5. Step 5: Solve for x
    x = 82,458,169,853,753.77/13,620,505.71
  6. Step 6: Final answer
    x = 6,053,972.71

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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.