Home / 30,821,788.22-42,533,546.49-17,070,457.10

Finding the Fourth Proportional to 30,821,788.22, 42,533,546.49 and 17,070,457.10

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Solution

The fourth proportional to 30,821,788.22, 42,533,546.49 and 17,070,457.10 is: 23,556,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,788.22 : 42,533,546.49 = 17,070,457.10 : x
  2. Step 2: Convert to fraction form
    30,821,788.22/42,533,546.49 = 17,070,457.10/x
  3. Step 3: Cross multiply
    30,821,788.22x = 42,533,546.49 × 17,070,457.10
  4. Step 4: Simplify right side
    30,821,788.22x = 726,067,080,774,734.50
  5. Step 5: Solve for x
    x = 726,067,080,774,734.50/30,821,788.22
  6. Step 6: Final answer
    x = 23,556,942.11

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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.