Home / 30,682,365.36-42,342,563.55-16,744,616.61

Finding the Fourth Proportional to 30,682,365.36, 42,342,563.55 and 16,744,616.61

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Solution

The fourth proportional to 30,682,365.36, 42,342,563.55 and 16,744,616.61 is: 23,108,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,682,365.36 : 42,342,563.55 = 16,744,616.61 : x
  2. Step 2: Convert to fraction form
    30,682,365.36/42,342,563.55 = 16,744,616.61/x
  3. Step 3: Cross multiply
    30,682,365.36x = 42,342,563.55 × 16,744,616.61
  4. Step 4: Simplify right side
    30,682,365.36x = 709,009,992,977,306.62
  5. Step 5: Solve for x
    x = 709,009,992,977,306.62/30,682,365.36
  6. Step 6: Final answer
    x = 23,108,061.74

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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.