Home / 30,620,744.82-42,256,132.92-16,682,266.62

Finding the Fourth Proportional to 30,620,744.82, 42,256,132.92 and 16,682,266.62

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Solution

The fourth proportional to 30,620,744.82, 42,256,132.92 and 16,682,266.62 is: 23,021,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620,744.82 : 42,256,132.92 = 16,682,266.62 : x
  2. Step 2: Convert to fraction form
    30,620,744.82/42,256,132.92 = 16,682,266.62/x
  3. Step 3: Cross multiply
    30,620,744.82x = 42,256,132.92 × 16,682,266.62
  4. Step 4: Simplify right side
    30,620,744.82x = 704,928,075,701,599.12
  5. Step 5: Solve for x
    x = 704,928,075,701,599.12/30,620,744.82
  6. Step 6: Final answer
    x = 23,021,258.30

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Double scale
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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.