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Finding the Fourth Proportional to 8,562,662.55, 12,846,849.02 and 5,695,333.32

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Solution

The fourth proportional to 8,562,662.55, 12,846,849.02 and 5,695,333.32 is: 8,544,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562,662.55 : 12,846,849.02 = 5,695,333.32 : x
  2. Step 2: Convert to fraction form
    8,562,662.55/12,846,849.02 = 5,695,333.32/x
  3. Step 3: Cross multiply
    8,562,662.55x = 12,846,849.02 × 5,695,333.32
  4. Step 4: Simplify right side
    8,562,662.55x = 73,167,087,252,138.69
  5. Step 5: Solve for x
    x = 73,167,087,252,138.69/8,562,662.55
  6. Step 6: Final answer
    x = 8,544,899.07

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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.