Home / 8,305,676.10-12,458,514.15-7,392,384.90

Finding the Fourth Proportional to 8,305,676.10, 12,458,514.15 and 7,392,384.90

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Solution

The fourth proportional to 8,305,676.10, 12,458,514.15 and 7,392,384.90 is: 11,088,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,676.10 : 12,458,514.15 = 7,392,384.90 : x
  2. Step 2: Convert to fraction form
    8,305,676.10/12,458,514.15 = 7,392,384.90/x
  3. Step 3: Cross multiply
    8,305,676.10x = 12,458,514.15 × 7,392,384.90
  4. Step 4: Simplify right side
    8,305,676.10x = 92,098,131,878,896.34
  5. Step 5: Solve for x
    x = 92,098,131,878,896.34/8,305,676.10
  6. Step 6: Final answer
    x = 11,088,577.35

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Double scale
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Similar ratio
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1.5x scale

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.