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Finding the Fourth Proportional to 7,668,863.80, 11,503,295.70 and 4,302,633.40

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Solution

The fourth proportional to 7,668,863.80, 11,503,295.70 and 4,302,633.40 is: 6,453,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668,863.80 : 11,503,295.70 = 4,302,633.40 : x
  2. Step 2: Convert to fraction form
    7,668,863.80/11,503,295.70 = 4,302,633.40/x
  3. Step 3: Cross multiply
    7,668,863.80x = 11,503,295.70 × 4,302,633.40
  4. Step 4: Simplify right side
    7,668,863.80x = 49,494,464,288,896.38
  5. Step 5: Solve for x
    x = 49,494,464,288,896.38/7,668,863.80
  6. Step 6: Final answer
    x = 6,453,950.10

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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.