Home / 7,518,705.21-11,280,486.66-3,477,843.74

Finding the Fourth Proportional to 7,518,705.21, 11,280,486.66 and 3,477,843.74

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Solution

The fourth proportional to 7,518,705.21, 11,280,486.66 and 3,477,843.74 is: 5,217,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,705.21 : 11,280,486.66 = 3,477,843.74 : x
  2. Step 2: Convert to fraction form
    7,518,705.21/11,280,486.66 = 3,477,843.74/x
  3. Step 3: Cross multiply
    7,518,705.21x = 11,280,486.66 × 3,477,843.74
  4. Step 4: Simplify right side
    7,518,705.21x = 39,231,769,942,835.73
  5. Step 5: Solve for x
    x = 39,231,769,942,835.73/7,518,705.21
  6. Step 6: Final answer
    x = 5,217,889.10

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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.