Home / 12,283,698.03-18,410,604.35-8,690,500.77

Finding the Fourth Proportional to 12,283,698.03, 18,410,604.35 and 8,690,500.77

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Solution

The fourth proportional to 12,283,698.03, 18,410,604.35 and 8,690,500.77 is: 13,025,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,698.03 : 18,410,604.35 = 8,690,500.77 : x
  2. Step 2: Convert to fraction form
    12,283,698.03/18,410,604.35 = 8,690,500.77/x
  3. Step 3: Cross multiply
    12,283,698.03x = 18,410,604.35 × 8,690,500.77
  4. Step 4: Simplify right side
    12,283,698.03x = 159,997,371,167,348.06
  5. Step 5: Solve for x
    x = 159,997,371,167,348.06/12,283,698.03
  6. Step 6: Final answer
    x = 13,025,179.46

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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.