Home / 30,608,311.78-42,241,379.07-16,857,272.26

Finding the Fourth Proportional to 30,608,311.78, 42,241,379.07 and 16,857,272.26

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Solution

The fourth proportional to 30,608,311.78, 42,241,379.07 and 16,857,272.26 is: 23,264,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,311.78 : 42,241,379.07 = 16,857,272.26 : x
  2. Step 2: Convert to fraction form
    30,608,311.78/42,241,379.07 = 16,857,272.26/x
  3. Step 3: Cross multiply
    30,608,311.78x = 42,241,379.07 × 16,857,272.26
  4. Step 4: Simplify right side
    30,608,311.78x = 712,074,427,620,855.62
  5. Step 5: Solve for x
    x = 712,074,427,620,855.62/30,608,311.78
  6. Step 6: Final answer
    x = 23,264,086.98

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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.