Home / 13,094,741.80-18,071,651.94-7,938,320.68

Finding the Fourth Proportional to 13,094,741.80, 18,071,651.94 and 7,938,320.68

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Solution

The fourth proportional to 13,094,741.80, 18,071,651.94 and 7,938,320.68 is: 10,955,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,741.80 : 18,071,651.94 = 7,938,320.68 : x
  2. Step 2: Convert to fraction form
    13,094,741.80/18,071,651.94 = 7,938,320.68/x
  3. Step 3: Cross multiply
    13,094,741.80x = 18,071,651.94 × 7,938,320.68
  4. Step 4: Simplify right side
    13,094,741.80x = 143,458,568,317,064.12
  5. Step 5: Solve for x
    x = 143,458,568,317,064.12/13,094,741.80
  6. Step 6: Final answer
    x = 10,955,433.14

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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.