Home / 7,140,845.71-9,854,226.33-4,200,980.53

Finding the Fourth Proportional to 7,140,845.71, 9,854,226.33 and 4,200,980.53

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Solution

The fourth proportional to 7,140,845.71, 9,854,226.33 and 4,200,980.53 is: 5,797,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,845.71 : 9,854,226.33 = 4,200,980.53 : x
  2. Step 2: Convert to fraction form
    7,140,845.71/9,854,226.33 = 4,200,980.53/x
  3. Step 3: Cross multiply
    7,140,845.71x = 9,854,226.33 × 4,200,980.53
  4. Step 4: Simplify right side
    7,140,845.71x = 41,397,412,899,896.94
  5. Step 5: Solve for x
    x = 41,397,412,899,896.94/7,140,845.71
  6. Step 6: Final answer
    x = 5,797,270.32

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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.