Home / 13,083,742.07-18,055,564.88-7,282,399.26

Finding the Fourth Proportional to 13,083,742.07, 18,055,564.88 and 7,282,399.26

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Solution

The fourth proportional to 13,083,742.07, 18,055,564.88 and 7,282,399.26 is: 10,049,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,742.07 : 18,055,564.88 = 7,282,399.26 : x
  2. Step 2: Convert to fraction form
    13,083,742.07/18,055,564.88 = 7,282,399.26/x
  3. Step 3: Cross multiply
    13,083,742.07x = 18,055,564.88 × 7,282,399.26
  4. Step 4: Simplify right side
    13,083,742.07x = 131,487,832,284,581.98
  5. Step 5: Solve for x
    x = 131,487,832,284,581.98/13,083,742.07
  6. Step 6: Final answer
    x = 10,049,711.44

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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.