Home / 11,191,633.80-16,787,450.70-7,790,411.40

Finding the Fourth Proportional to 11,191,633.80, 16,787,450.70 and 7,790,411.40

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Solution

The fourth proportional to 11,191,633.80, 16,787,450.70 and 7,790,411.40 is: 11,685,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,633.80 : 16,787,450.70 = 7,790,411.40 : x
  2. Step 2: Convert to fraction form
    11,191,633.80/16,787,450.70 = 7,790,411.40/x
  3. Step 3: Cross multiply
    11,191,633.80x = 16,787,450.70 × 7,790,411.40
  4. Step 4: Simplify right side
    11,191,633.80x = 130,781,147,310,217.98
  5. Step 5: Solve for x
    x = 130,781,147,310,217.98/11,191,633.80
  6. Step 6: Final answer
    x = 11,685,617.10

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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.