Home / 12,286,201.60-18,455,874.45-8,698,974.85

Finding the Fourth Proportional to 12,286,201.60, 18,455,874.45 and 8,698,974.85

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Solution

The fourth proportional to 12,286,201.60, 18,455,874.45 and 8,698,974.85 is: 13,067,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,201.60 : 18,455,874.45 = 8,698,974.85 : x
  2. Step 2: Convert to fraction form
    12,286,201.60/18,455,874.45 = 8,698,974.85/x
  3. Step 3: Cross multiply
    12,286,201.60x = 18,455,874.45 × 8,698,974.85
  4. Step 4: Simplify right side
    12,286,201.60x = 160,547,187,675,307.56
  5. Step 5: Solve for x
    x = 160,547,187,675,307.56/12,286,201.60
  6. Step 6: Final answer
    x = 13,067,276.03

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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.