Home / 9,860,119.87-14,857,482.38-8,102,378.76

Finding the Fourth Proportional to 9,860,119.87, 14,857,482.38 and 8,102,378.76

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Solution

The fourth proportional to 9,860,119.87, 14,857,482.38 and 8,102,378.76 is: 12,208,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,119.87 : 14,857,482.38 = 8,102,378.76 : x
  2. Step 2: Convert to fraction form
    9,860,119.87/14,857,482.38 = 8,102,378.76/x
  3. Step 3: Cross multiply
    9,860,119.87x = 14,857,482.38 × 8,102,378.76
  4. Step 4: Simplify right side
    9,860,119.87x = 120,380,949,662,786.25
  5. Step 5: Solve for x
    x = 120,380,949,662,786.25/9,860,119.87
  6. Step 6: Final answer
    x = 12,208,872.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.