Home / 8,103,491.87-12,155,258.39-3,311,181.14

Finding the Fourth Proportional to 8,103,491.87, 12,155,258.39 and 3,311,181.14

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Solution

The fourth proportional to 8,103,491.87, 12,155,258.39 and 3,311,181.14 is: 4,966,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,491.87 : 12,155,258.39 = 3,311,181.14 : x
  2. Step 2: Convert to fraction form
    8,103,491.87/12,155,258.39 = 3,311,181.14/x
  3. Step 3: Cross multiply
    8,103,491.87x = 12,155,258.39 × 3,311,181.14
  4. Step 4: Simplify right side
    8,103,491.87x = 40,248,262,255,462.56
  5. Step 5: Solve for x
    x = 40,248,262,255,462.56/8,103,491.87
  6. Step 6: Final answer
    x = 4,966,780.11

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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.