Home / 9,991,365.33-13,788,418.01-6,123,139.05

Finding the Fourth Proportional to 9,991,365.33, 13,788,418.01 and 6,123,139.05

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Solution

The fourth proportional to 9,991,365.33, 13,788,418.01 and 6,123,139.05 is: 8,450,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,365.33 : 13,788,418.01 = 6,123,139.05 : x
  2. Step 2: Convert to fraction form
    9,991,365.33/13,788,418.01 = 6,123,139.05/x
  3. Step 3: Cross multiply
    9,991,365.33x = 13,788,418.01 × 6,123,139.05
  4. Step 4: Simplify right side
    9,991,365.33x = 84,428,400,724,138.59
  5. Step 5: Solve for x
    x = 84,428,400,724,138.59/9,991,365.33
  6. Step 6: Final answer
    x = 8,450,136.49

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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.