Home / 15,383,074.08-21,231,306-9,271,509.60

Finding the Fourth Proportional to 15,383,074.08, 21,231,306 and 9,271,509.60

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Solution

The fourth proportional to 15,383,074.08, 21,231,306 and 9,271,509.60 is: 12,796,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,074.08 : 21,231,306 = 9,271,509.60 : x
  2. Step 2: Convert to fraction form
    15,383,074.08/21,231,306 = 9,271,509.60/x
  3. Step 3: Cross multiply
    15,383,074.08x = 21,231,306 × 9,271,509.60
  4. Step 4: Simplify right side
    15,383,074.08x = 196,846,257,399,537.59
  5. Step 5: Solve for x
    x = 196,846,257,399,537.59/15,383,074.08
  6. Step 6: Final answer
    x = 12,796,288.72

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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.