Home / 20,212,719.98-30,319,065.92-4,860,004.58

Finding the Fourth Proportional to 20,212,719.98, 30,319,065.92 and 4,860,004.58

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Solution

The fourth proportional to 20,212,719.98, 30,319,065.92 and 4,860,004.58 is: 7,290,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,719.98 : 30,319,065.92 = 4,860,004.58 : x
  2. Step 2: Convert to fraction form
    20,212,719.98/30,319,065.92 = 4,860,004.58/x
  3. Step 3: Cross multiply
    20,212,719.98x = 30,319,065.92 × 4,860,004.58
  4. Step 4: Simplify right side
    20,212,719.98x = 147,350,799,056,626.56
  5. Step 5: Solve for x
    x = 147,350,799,056,626.56/20,212,719.98
  6. Step 6: Final answer
    x = 7,290,003.48

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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.