Home / 9,782,644.17-13,499,391.09-5,431,505.61

Finding the Fourth Proportional to 9,782,644.17, 13,499,391.09 and 5,431,505.61

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Solution

The fourth proportional to 9,782,644.17, 13,499,391.09 and 5,431,505.61 is: 7,495,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782,644.17 : 13,499,391.09 = 5,431,505.61 : x
  2. Step 2: Convert to fraction form
    9,782,644.17/13,499,391.09 = 5,431,505.61/x
  3. Step 3: Cross multiply
    9,782,644.17x = 13,499,391.09 × 5,431,505.61
  4. Step 4: Simplify right side
    9,782,644.17x = 73,322,018,436,919.02
  5. Step 5: Solve for x
    x = 73,322,018,436,919.02/9,782,644.17
  6. Step 6: Final answer
    x = 7,495,112.48

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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.