Home / 6,143,485.50-8,478,013.64-3,427,231.50

Finding the Fourth Proportional to 6,143,485.50, 8,478,013.64 and 3,427,231.50

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Solution

The fourth proportional to 6,143,485.50, 8,478,013.64 and 3,427,231.50 is: 4,729,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,485.50 : 8,478,013.64 = 3,427,231.50 : x
  2. Step 2: Convert to fraction form
    6,143,485.50/8,478,013.64 = 3,427,231.50/x
  3. Step 3: Cross multiply
    6,143,485.50x = 8,478,013.64 × 3,427,231.50
  4. Step 4: Simplify right side
    6,143,485.50x = 29,056,115,387,301.50
  5. Step 5: Solve for x
    x = 29,056,115,387,301.50/6,143,485.50
  6. Step 6: Final answer
    x = 4,729,581.50

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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.