Home / 13,301,716.07-18,356,360.09-7,190,144.57

Finding the Fourth Proportional to 13,301,716.07, 18,356,360.09 and 7,190,144.57

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Solution

The fourth proportional to 13,301,716.07, 18,356,360.09 and 7,190,144.57 is: 9,922,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,716.07 : 18,356,360.09 = 7,190,144.57 : x
  2. Step 2: Convert to fraction form
    13,301,716.07/18,356,360.09 = 7,190,144.57/x
  3. Step 3: Cross multiply
    13,301,716.07x = 18,356,360.09 × 7,190,144.57
  4. Step 4: Simplify right side
    13,301,716.07x = 131,984,882,698,345.70
  5. Step 5: Solve for x
    x = 131,984,882,698,345.70/13,301,716.07
  6. Step 6: Final answer
    x = 9,922,395.13

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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.