Home / 8,731,815.72-11,962,630.36-8,404,548.80

Finding the Fourth Proportional to 8,731,815.72, 11,962,630.36 and 8,404,548.80

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Solution

The fourth proportional to 8,731,815.72, 11,962,630.36 and 8,404,548.80 is: 11,514,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,815.72 : 11,962,630.36 = 8,404,548.80 : x
  2. Step 2: Convert to fraction form
    8,731,815.72/11,962,630.36 = 8,404,548.80/x
  3. Step 3: Cross multiply
    8,731,815.72x = 11,962,630.36 × 8,404,548.80
  4. Step 4: Simplify right side
    8,731,815.72x = 100,540,510,636,981.58
  5. Step 5: Solve for x
    x = 100,540,510,636,981.58/8,731,815.72
  6. Step 6: Final answer
    x = 11,514,273.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.