Home / 8,189,430.30-12,284,145.45-8,083,142.10

Finding the Fourth Proportional to 8,189,430.30, 12,284,145.45 and 8,083,142.10

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Solution

The fourth proportional to 8,189,430.30, 12,284,145.45 and 8,083,142.10 is: 12,124,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,430.30 : 12,284,145.45 = 8,083,142.10 : x
  2. Step 2: Convert to fraction form
    8,189,430.30/12,284,145.45 = 8,083,142.10/x
  3. Step 3: Cross multiply
    8,189,430.30x = 12,284,145.45 × 8,083,142.10
  4. Step 4: Simplify right side
    8,189,430.30x = 99,294,493,249,418.44
  5. Step 5: Solve for x
    x = 99,294,493,249,418.44/8,189,430.30
  6. Step 6: Final answer
    x = 12,124,713.15

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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.