Home / 13,407,329.70-20,110,994.55-4,431,881.70

Finding the Fourth Proportional to 13,407,329.70, 20,110,994.55 and 4,431,881.70

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Solution

The fourth proportional to 13,407,329.70, 20,110,994.55 and 4,431,881.70 is: 6,647,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,329.70 : 20,110,994.55 = 4,431,881.70 : x
  2. Step 2: Convert to fraction form
    13,407,329.70/20,110,994.55 = 4,431,881.70/x
  3. Step 3: Cross multiply
    13,407,329.70x = 20,110,994.55 × 4,431,881.70
  4. Step 4: Simplify right side
    13,407,329.70x = 89,129,548,714,944.73
  5. Step 5: Solve for x
    x = 89,129,548,714,944.73/13,407,329.70
  6. Step 6: Final answer
    x = 6,647,822.55

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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.