Home / 13,271,480.56-18,315,211.39-7,391,114.71

Finding the Fourth Proportional to 13,271,480.56, 18,315,211.39 and 7,391,114.71

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Solution

The fourth proportional to 13,271,480.56, 18,315,211.39 and 7,391,114.71 is: 10,200,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,480.56 : 18,315,211.39 = 7,391,114.71 : x
  2. Step 2: Convert to fraction form
    13,271,480.56/18,315,211.39 = 7,391,114.71/x
  3. Step 3: Cross multiply
    13,271,480.56x = 18,315,211.39 × 7,391,114.71
  4. Step 4: Simplify right side
    13,271,480.56x = 135,369,828,321,388.55
  5. Step 5: Solve for x
    x = 135,369,828,321,388.55/13,271,480.56
  6. Step 6: Final answer
    x = 10,200,054.75

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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.