Home / 8,428,455.90-11,631,299.83-4,560,976.71

Finding the Fourth Proportional to 8,428,455.90, 11,631,299.83 and 4,560,976.71

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Solution

The fourth proportional to 8,428,455.90, 11,631,299.83 and 4,560,976.71 is: 6,294,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,455.90 : 11,631,299.83 = 4,560,976.71 : x
  2. Step 2: Convert to fraction form
    8,428,455.90/11,631,299.83 = 4,560,976.71/x
  3. Step 3: Cross multiply
    8,428,455.90x = 11,631,299.83 × 4,560,976.71
  4. Step 4: Simplify right side
    8,428,455.90x = 53,050,087,631,656.96
  5. Step 5: Solve for x
    x = 53,050,087,631,656.96/8,428,455.90
  6. Step 6: Final answer
    x = 6,294,164.47

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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.