Home / 13,899,697.65-20,831,388.37-7,751,433.96

Finding the Fourth Proportional to 13,899,697.65, 20,831,388.37 and 7,751,433.96

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Solution

The fourth proportional to 13,899,697.65, 20,831,388.37 and 7,751,433.96 is: 11,617,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,697.65 : 20,831,388.37 = 7,751,433.96 : x
  2. Step 2: Convert to fraction form
    13,899,697.65/20,831,388.37 = 7,751,433.96/x
  3. Step 3: Cross multiply
    13,899,697.65x = 20,831,388.37 × 7,751,433.96
  4. Step 4: Simplify right side
    13,899,697.65x = 161,473,131,225,788.47
  5. Step 5: Solve for x
    x = 161,473,131,225,788.47/13,899,697.65
  6. Step 6: Final answer
    x = 11,617,024.72

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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.