Home / 39,860,512.20-59,790,768.30-19,705,120.20

Finding the Fourth Proportional to 39,860,512.20, 59,790,768.30 and 19,705,120.20

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Solution

The fourth proportional to 39,860,512.20, 59,790,768.30 and 19,705,120.20 is: 29,557,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860,512.20 : 59,790,768.30 = 19,705,120.20 : x
  2. Step 2: Convert to fraction form
    39,860,512.20/59,790,768.30 = 19,705,120.20/x
  3. Step 3: Cross multiply
    39,860,512.20x = 59,790,768.30 × 19,705,120.20
  4. Step 4: Simplify right side
    39,860,512.20x = 1,178,184,276,201,849.50
  5. Step 5: Solve for x
    x = 1,178,184,276,201,849.50/39,860,512.20
  6. Step 6: Final answer
    x = 29,557,680.30

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1.5x scale

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.