Home / 8,647,934.60-11,937,514.74-7,740,941.96

Finding the Fourth Proportional to 8,647,934.60, 11,937,514.74 and 7,740,941.96

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Solution

The fourth proportional to 8,647,934.60, 11,937,514.74 and 7,740,941.96 is: 10,685,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,934.60 : 11,937,514.74 = 7,740,941.96 : x
  2. Step 2: Convert to fraction form
    8,647,934.60/11,937,514.74 = 7,740,941.96/x
  3. Step 3: Cross multiply
    8,647,934.60x = 11,937,514.74 × 7,740,941.96
  4. Step 4: Simplify right side
    8,647,934.60x = 92,407,608,748,984.48
  5. Step 5: Solve for x
    x = 92,407,608,748,984.48/8,647,934.60
  6. Step 6: Final answer
    x = 10,685,511.98

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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.