Home / 10,379,401.60-15,570,590.40-3,191,539.20

Finding the Fourth Proportional to 10,379,401.60, 15,570,590.40 and 3,191,539.20

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Solution

The fourth proportional to 10,379,401.60, 15,570,590.40 and 3,191,539.20 is: 4,787,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,401.60 : 15,570,590.40 = 3,191,539.20 : x
  2. Step 2: Convert to fraction form
    10,379,401.60/15,570,590.40 = 3,191,539.20/x
  3. Step 3: Cross multiply
    10,379,401.60x = 15,570,590.40 × 3,191,539.20
  4. Step 4: Simplify right side
    10,379,401.60x = 49,694,149,628,743.69
  5. Step 5: Solve for x
    x = 49,694,149,628,743.69/10,379,401.60
  6. Step 6: Final answer
    x = 4,787,766.34

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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.