Home / 26,319,751.20-39,479,626.80-8,370,669.60

Finding the Fourth Proportional to 26,319,751.20, 39,479,626.80 and 8,370,669.60

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Solution

The fourth proportional to 26,319,751.20, 39,479,626.80 and 8,370,669.60 is: 12,556,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319,751.20 : 39,479,626.80 = 8,370,669.60 : x
  2. Step 2: Convert to fraction form
    26,319,751.20/39,479,626.80 = 8,370,669.60/x
  3. Step 3: Cross multiply
    26,319,751.20x = 39,479,626.80 × 8,370,669.60
  4. Step 4: Simplify right side
    26,319,751.20x = 330,470,911,874,105.25
  5. Step 5: Solve for x
    x = 330,470,911,874,105.25/26,319,751.20
  6. Step 6: Final answer
    x = 12,556,004.40

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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.