Home / 12,920,012.40-19,380,091.90-3,334,735.64

Finding the Fourth Proportional to 12,920,012.40, 19,380,091.90 and 3,334,735.64

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Solution

The fourth proportional to 12,920,012.40, 19,380,091.90 and 3,334,735.64 is: 5,002,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,012.40 : 19,380,091.90 = 3,334,735.64 : x
  2. Step 2: Convert to fraction form
    12,920,012.40/19,380,091.90 = 3,334,735.64/x
  3. Step 3: Cross multiply
    12,920,012.40x = 19,380,091.90 × 3,334,735.64
  4. Step 4: Simplify right side
    12,920,012.40x = 64,627,483,165,405.31
  5. Step 5: Solve for x
    x = 64,627,483,165,405.31/12,920,012.40
  6. Step 6: Final answer
    x = 5,002,122.38

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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.