Home / 8,421,110.66-11,621,202.34-4,649,294.27

Finding the Fourth Proportional to 8,421,110.66, 11,621,202.34 and 4,649,294.27

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Solution

The fourth proportional to 8,421,110.66, 11,621,202.34 and 4,649,294.27 is: 6,416,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,110.66 : 11,621,202.34 = 4,649,294.27 : x
  2. Step 2: Convert to fraction form
    8,421,110.66/11,621,202.34 = 4,649,294.27/x
  3. Step 3: Cross multiply
    8,421,110.66x = 11,621,202.34 × 4,649,294.27
  4. Step 4: Simplify right side
    8,421,110.66x = 54,030,389,380,143.34
  5. Step 5: Solve for x
    x = 54,030,389,380,143.34/8,421,110.66
  6. Step 6: Final answer
    x = 6,416,064.53

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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.