Home / 13,301,715.57-18,356,359.39-7,190,144.07

Finding the Fourth Proportional to 13,301,715.57, 18,356,359.39 and 7,190,144.07

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Solution

The fourth proportional to 13,301,715.57, 18,356,359.39 and 7,190,144.07 is: 9,922,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,715.57 : 18,356,359.39 = 7,190,144.07 : x
  2. Step 2: Convert to fraction form
    13,301,715.57/18,356,359.39 = 7,190,144.07/x
  3. Step 3: Cross multiply
    13,301,715.57x = 18,356,359.39 × 7,190,144.07
  4. Step 4: Simplify right side
    13,301,715.57x = 131,984,868,614,797.33
  5. Step 5: Solve for x
    x = 131,984,868,614,797.33/13,301,715.57
  6. Step 6: Final answer
    x = 9,922,394.44

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1.5x scale

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.