Home / 8,311,603.05-12,468,651.17-2,919,303.05

Finding the Fourth Proportional to 8,311,603.05, 12,468,651.17 and 2,919,303.05

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Solution

The fourth proportional to 8,311,603.05, 12,468,651.17 and 2,919,303.05 is: 4,379,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,603.05 : 12,468,651.17 = 2,919,303.05 : x
  2. Step 2: Convert to fraction form
    8,311,603.05/12,468,651.17 = 2,919,303.05/x
  3. Step 3: Cross multiply
    8,311,603.05x = 12,468,651.17 × 2,919,303.05
  4. Step 4: Simplify right side
    8,311,603.05x = 36,399,771,313,027.30
  5. Step 5: Solve for x
    x = 36,399,771,313,027.30/8,311,603.05
  6. Step 6: Final answer
    x = 4,379,392.41

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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.