Home / 7,399,415.40-11,090,828.70-3,138,858.60

Finding the Fourth Proportional to 7,399,415.40, 11,090,828.70 and 3,138,858.60

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Solution

The fourth proportional to 7,399,415.40, 11,090,828.70 and 3,138,858.60 is: 4,704,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399,415.40 : 11,090,828.70 = 3,138,858.60 : x
  2. Step 2: Convert to fraction form
    7,399,415.40/11,090,828.70 = 3,138,858.60/x
  3. Step 3: Cross multiply
    7,399,415.40x = 11,090,828.70 × 3,138,858.60
  4. Step 4: Simplify right side
    7,399,415.40x = 34,812,543,046,121.82
  5. Step 5: Solve for x
    x = 34,812,543,046,121.82/7,399,415.40
  6. Step 6: Final answer
    x = 4,704,769.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.