Home / 13,167,171.50-18,170,284.47-7,286,450.81

Finding the Fourth Proportional to 13,167,171.50, 18,170,284.47 and 7,286,450.81

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Solution

The fourth proportional to 13,167,171.50, 18,170,284.47 and 7,286,450.81 is: 10,055,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,171.50 : 18,170,284.47 = 7,286,450.81 : x
  2. Step 2: Convert to fraction form
    13,167,171.50/18,170,284.47 = 7,286,450.81/x
  3. Step 3: Cross multiply
    13,167,171.50x = 18,170,284.47 × 7,286,450.81
  4. Step 4: Simplify right side
    13,167,171.50x = 132,396,883,903,510.48
  5. Step 5: Solve for x
    x = 132,396,883,903,510.48/13,167,171.50
  6. Step 6: Final answer
    x = 10,055,074.01

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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.