Home / 13,282,382.91-18,329,489.69-7,481,728.83

Finding the Fourth Proportional to 13,282,382.91, 18,329,489.69 and 7,481,728.83

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Solution

The fourth proportional to 13,282,382.91, 18,329,489.69 and 7,481,728.83 is: 10,324,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282,382.91 : 18,329,489.69 = 7,481,728.83 : x
  2. Step 2: Convert to fraction form
    13,282,382.91/18,329,489.69 = 7,481,728.83/x
  3. Step 3: Cross multiply
    13,282,382.91x = 18,329,489.69 × 7,481,728.83
  4. Step 4: Simplify right side
    13,282,382.91x = 137,136,271,374,773
  5. Step 5: Solve for x
    x = 137,136,271,374,773/13,282,382.91
  6. Step 6: Final answer
    x = 10,324,673.84

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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.