Home / 13,152,194.55-18,150,661.08-7,271,719.92

Finding the Fourth Proportional to 13,152,194.55, 18,150,661.08 and 7,271,719.92

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Solution

The fourth proportional to 13,152,194.55, 18,150,661.08 and 7,271,719.92 is: 10,035,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,194.55 : 18,150,661.08 = 7,271,719.92 : x
  2. Step 2: Convert to fraction form
    13,152,194.55/18,150,661.08 = 7,271,719.92/x
  3. Step 3: Cross multiply
    13,152,194.55x = 18,150,661.08 × 7,271,719.92
  4. Step 4: Simplify right side
    13,152,194.55x = 131,986,523,736,604.70
  5. Step 5: Solve for x
    x = 131,986,523,736,604.70/13,152,194.55
  6. Step 6: Final answer
    x = 10,035,323.25

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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.