Home / 10,802,938.70-16,187,842.26-7,340,268.38

Finding the Fourth Proportional to 10,802,938.70, 16,187,842.26 and 7,340,268.38

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Solution

The fourth proportional to 10,802,938.70, 16,187,842.26 and 7,340,268.38 is: 10,999,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802,938.70 : 16,187,842.26 = 7,340,268.38 : x
  2. Step 2: Convert to fraction form
    10,802,938.70/16,187,842.26 = 7,340,268.38/x
  3. Step 3: Cross multiply
    10,802,938.70x = 16,187,842.26 × 7,340,268.38
  4. Step 4: Simplify right side
    10,802,938.70x = 118,823,106,681,505.73
  5. Step 5: Solve for x
    x = 118,823,106,681,505.73/10,802,938.70
  6. Step 6: Final answer
    x = 10,999,146.62

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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.