Home / 14,683,721.37-20,263,081.46-8,157,181.20

Finding the Fourth Proportional to 14,683,721.37, 20,263,081.46 and 8,157,181.20

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Solution

The fourth proportional to 14,683,721.37, 20,263,081.46 and 8,157,181.20 is: 11,256,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,683,721.37 : 20,263,081.46 = 8,157,181.20 : x
  2. Step 2: Convert to fraction form
    14,683,721.37/20,263,081.46 = 8,157,181.20/x
  3. Step 3: Cross multiply
    14,683,721.37x = 20,263,081.46 × 8,157,181.20
  4. Step 4: Simplify right side
    14,683,721.37x = 165,289,627,139,580.56
  5. Step 5: Solve for x
    x = 165,289,627,139,580.56/14,683,721.37
  6. Step 6: Final answer
    x = 11,256,657.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.