Home / 9,631,857.78-13,291,455.78-5,501,076.84

Finding the Fourth Proportional to 9,631,857.78, 13,291,455.78 and 5,501,076.84

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Solution

The fourth proportional to 9,631,857.78, 13,291,455.78 and 5,501,076.84 is: 7,591,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,857.78 : 13,291,455.78 = 5,501,076.84 : x
  2. Step 2: Convert to fraction form
    9,631,857.78/13,291,455.78 = 5,501,076.84/x
  3. Step 3: Cross multiply
    9,631,857.78x = 13,291,455.78 × 5,501,076.84
  4. Step 4: Simplify right side
    9,631,857.78x = 73,117,319,561,242.12
  5. Step 5: Solve for x
    x = 73,117,319,561,242.12/9,631,857.78
  6. Step 6: Final answer
    x = 7,591,195.93

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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.