Home / 9,785,177.28-13,503,174.36-5,434,543.68

Finding the Fourth Proportional to 9,785,177.28, 13,503,174.36 and 5,434,543.68

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Solution

The fourth proportional to 9,785,177.28, 13,503,174.36 and 5,434,543.68 is: 7,499,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785,177.28 : 13,503,174.36 = 5,434,543.68 : x
  2. Step 2: Convert to fraction form
    9,785,177.28/13,503,174.36 = 5,434,543.68/x
  3. Step 3: Cross multiply
    9,785,177.28x = 13,503,174.36 × 5,434,543.68
  4. Step 4: Simplify right side
    9,785,177.28x = 73,383,590,878,076.03
  5. Step 5: Solve for x
    x = 73,383,590,878,076.03/9,785,177.28
  6. Step 6: Final answer
    x = 7,499,464.63

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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.