Home / 8,603,680-11,873,078.40-4,789,157.12

Finding the Fourth Proportional to 8,603,680, 11,873,078.40 and 4,789,157.12

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Solution

The fourth proportional to 8,603,680, 11,873,078.40 and 4,789,157.12 is: 6,609,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,680 : 11,873,078.40 = 4,789,157.12 : x
  2. Step 2: Convert to fraction form
    8,603,680/11,873,078.40 = 4,789,157.12/x
  3. Step 3: Cross multiply
    8,603,680x = 11,873,078.40 × 4,789,157.12
  4. Step 4: Simplify right side
    8,603,680x = 56,862,037,955,678.21
  5. Step 5: Solve for x
    x = 56,862,037,955,678.21/8,603,680
  6. Step 6: Final answer
    x = 6,609,036.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.