Home / 26,709,546.80-40,064,320.20-10,530,120.80

Finding the Fourth Proportional to 26,709,546.80, 40,064,320.20 and 10,530,120.80

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Solution

The fourth proportional to 26,709,546.80, 40,064,320.20 and 10,530,120.80 is: 15,795,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709,546.80 : 40,064,320.20 = 10,530,120.80 : x
  2. Step 2: Convert to fraction form
    26,709,546.80/40,064,320.20 = 10,530,120.80/x
  3. Step 3: Cross multiply
    26,709,546.80x = 40,064,320.20 × 10,530,120.80
  4. Step 4: Simplify right side
    26,709,546.80x = 421,882,131,475,880.25
  5. Step 5: Solve for x
    x = 421,882,131,475,880.25/26,709,546.80
  6. Step 6: Final answer
    x = 15,795,181.20

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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.