Home / 20,333,303.87-28,052,944.84-12,995,432.26

Finding the Fourth Proportional to 20,333,303.87, 28,052,944.84 and 12,995,432.26

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Solution

The fourth proportional to 20,333,303.87, 28,052,944.84 and 12,995,432.26 is: 17,929,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,303.87 : 28,052,944.84 = 12,995,432.26 : x
  2. Step 2: Convert to fraction form
    20,333,303.87/28,052,944.84 = 12,995,432.26/x
  3. Step 3: Cross multiply
    20,333,303.87x = 28,052,944.84 × 12,995,432.26
  4. Step 4: Simplify right side
    20,333,303.87x = 364,560,144,399,380.25
  5. Step 5: Solve for x
    x = 364,560,144,399,380.25/20,333,303.87
  6. Step 6: Final answer
    x = 17,929,213.41

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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.