Home / 8,398,213.83-12,599,520.66-2,640,714.93

Finding the Fourth Proportional to 8,398,213.83, 12,599,520.66 and 2,640,714.93

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Solution

The fourth proportional to 8,398,213.83, 12,599,520.66 and 2,640,714.93 is: 3,961,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,213.83 : 12,599,520.66 = 2,640,714.93 : x
  2. Step 2: Convert to fraction form
    8,398,213.83/12,599,520.66 = 2,640,714.93/x
  3. Step 3: Cross multiply
    8,398,213.83x = 12,599,520.66 × 2,640,714.93
  4. Step 4: Simplify right side
    8,398,213.83x = 33,271,742,317,705.46
  5. Step 5: Solve for x
    x = 33,271,742,317,705.46/8,398,213.83
  6. Step 6: Final answer
    x = 3,961,764.13

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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.