Home / 8,541,963.78-11,788,430.62-4,871,588.64

Finding the Fourth Proportional to 8,541,963.78, 11,788,430.62 and 4,871,588.64

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Solution

The fourth proportional to 8,541,963.78, 11,788,430.62 and 4,871,588.64 is: 6,723,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,963.78 : 11,788,430.62 = 4,871,588.64 : x
  2. Step 2: Convert to fraction form
    8,541,963.78/11,788,430.62 = 4,871,588.64/x
  3. Step 3: Cross multiply
    8,541,963.78x = 11,788,430.62 × 4,871,588.64
  4. Step 4: Simplify right side
    8,541,963.78x = 57,428,384,691,820.15
  5. Step 5: Solve for x
    x = 57,428,384,691,820.15/8,541,963.78
  6. Step 6: Final answer
    x = 6,723,089.23

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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.