Home / 12,821,037.40-19,231,556.10-3,845,589.40

Finding the Fourth Proportional to 12,821,037.40, 19,231,556.10 and 3,845,589.40

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Solution

The fourth proportional to 12,821,037.40, 19,231,556.10 and 3,845,589.40 is: 5,768,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,037.40 : 19,231,556.10 = 3,845,589.40 : x
  2. Step 2: Convert to fraction form
    12,821,037.40/19,231,556.10 = 3,845,589.40/x
  3. Step 3: Cross multiply
    12,821,037.40x = 19,231,556.10 × 3,845,589.40
  4. Step 4: Simplify right side
    12,821,037.40x = 73,956,668,283,665.34
  5. Step 5: Solve for x
    x = 73,956,668,283,665.34/12,821,037.40
  6. Step 6: Final answer
    x = 5,768,384.10

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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.