Home / 13,040,181.40-19,560,272.10-9,213,806.20

Finding the Fourth Proportional to 13,040,181.40, 19,560,272.10 and 9,213,806.20

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Solution

The fourth proportional to 13,040,181.40, 19,560,272.10 and 9,213,806.20 is: 13,820,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,181.40 : 19,560,272.10 = 9,213,806.20 : x
  2. Step 2: Convert to fraction form
    13,040,181.40/19,560,272.10 = 9,213,806.20/x
  3. Step 3: Cross multiply
    13,040,181.40x = 19,560,272.10 × 9,213,806.20
  4. Step 4: Simplify right side
    13,040,181.40x = 180,224,556,348,667.03
  5. Step 5: Solve for x
    x = 180,224,556,348,667.03/13,040,181.40
  6. Step 6: Final answer
    x = 13,820,709.30

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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.