Home / 13,831,454.35-20,747,181.53-7,029,009.55

Finding the Fourth Proportional to 13,831,454.35, 20,747,181.53 and 7,029,009.55

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Solution

The fourth proportional to 13,831,454.35, 20,747,181.53 and 7,029,009.55 is: 10,543,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,454.35 : 20,747,181.53 = 7,029,009.55 : x
  2. Step 2: Convert to fraction form
    13,831,454.35/20,747,181.53 = 7,029,009.55/x
  3. Step 3: Cross multiply
    13,831,454.35x = 20,747,181.53 × 7,029,009.55
  4. Step 4: Simplify right side
    13,831,454.35x = 145,832,137,109,953.62
  5. Step 5: Solve for x
    x = 145,832,137,109,953.62/13,831,454.35
  6. Step 6: Final answer
    x = 10,543,514.33

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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.