Home / 8,969,513.73-12,376,299.20-5,299,027.89

Finding the Fourth Proportional to 8,969,513.73, 12,376,299.20 and 5,299,027.89

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Solution

The fourth proportional to 8,969,513.73, 12,376,299.20 and 5,299,027.89 is: 7,311,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969,513.73 : 12,376,299.20 = 5,299,027.89 : x
  2. Step 2: Convert to fraction form
    8,969,513.73/12,376,299.20 = 5,299,027.89/x
  3. Step 3: Cross multiply
    8,969,513.73x = 12,376,299.20 × 5,299,027.89
  4. Step 4: Simplify right side
    8,969,513.73x = 65,582,354,609,289.55
  5. Step 5: Solve for x
    x = 65,582,354,609,289.55/8,969,513.73
  6. Step 6: Final answer
    x = 7,311,695.66

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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.