Home / 8,189,827.80-12,284,741.70-8,083,539.60

Finding the Fourth Proportional to 8,189,827.80, 12,284,741.70 and 8,083,539.60

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Solution

The fourth proportional to 8,189,827.80, 12,284,741.70 and 8,083,539.60 is: 12,125,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,827.80 : 12,284,741.70 = 8,083,539.60 : x
  2. Step 2: Convert to fraction form
    8,189,827.80/12,284,741.70 = 8,083,539.60/x
  3. Step 3: Cross multiply
    8,189,827.80x = 12,284,741.70 × 8,083,539.60
  4. Step 4: Simplify right side
    8,189,827.80x = 99,304,196,007,721.31
  5. Step 5: Solve for x
    x = 99,304,196,007,721.31/8,189,827.80
  6. Step 6: Final answer
    x = 12,125,309.40

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Double scale
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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.