Home / 17,640,482.30-26,422,144.74-12,507,352.73

Finding the Fourth Proportional to 17,640,482.30, 26,422,144.74 and 12,507,352.73

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Solution

The fourth proportional to 17,640,482.30, 26,422,144.74 and 12,507,352.73 is: 18,733,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,482.30 : 26,422,144.74 = 12,507,352.73 : x
  2. Step 2: Convert to fraction form
    17,640,482.30/26,422,144.74 = 12,507,352.73/x
  3. Step 3: Cross multiply
    17,640,482.30x = 26,422,144.74 × 12,507,352.73
  4. Step 4: Simplify right side
    17,640,482.30x = 330,471,084,146,294.12
  5. Step 5: Solve for x
    x = 330,471,084,146,294.12/17,640,482.30
  6. Step 6: Final answer
    x = 18,733,676.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.