Home / 19,355,100.38-26,696,439.85-12,737,580.44

Finding the Fourth Proportional to 19,355,100.38, 26,696,439.85 and 12,737,580.44

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Solution

The fourth proportional to 19,355,100.38, 26,696,439.85 and 12,737,580.44 is: 17,568,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355,100.38 : 26,696,439.85 = 12,737,580.44 : x
  2. Step 2: Convert to fraction form
    19,355,100.38/26,696,439.85 = 12,737,580.44/x
  3. Step 3: Cross multiply
    19,355,100.38x = 26,696,439.85 × 12,737,580.44
  4. Step 4: Simplify right side
    19,355,100.38x = 340,048,049,853,826.44
  5. Step 5: Solve for x
    x = 340,048,049,853,826.44/19,355,100.38
  6. Step 6: Final answer
    x = 17,568,911.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.