Home / 8,305,040.48-12,457,560.71-7,360,256.48

Finding the Fourth Proportional to 8,305,040.48, 12,457,560.71 and 7,360,256.48

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Solution

The fourth proportional to 8,305,040.48, 12,457,560.71 and 7,360,256.48 is: 11,040,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,040.48 : 12,457,560.71 = 7,360,256.48 : x
  2. Step 2: Convert to fraction form
    8,305,040.48/12,457,560.71 = 7,360,256.48/x
  3. Step 3: Cross multiply
    8,305,040.48x = 12,457,560.71 × 7,360,256.48
  4. Step 4: Simplify right side
    8,305,040.48x = 91,690,841,896,883.73
  5. Step 5: Solve for x
    x = 91,690,841,896,883.73/8,305,040.48
  6. Step 6: Final answer
    x = 11,040,384.71

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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.