Home / 12,189,840.16-16,818,575.96-9,603,494

Finding the Fourth Proportional to 12,189,840.16, 16,818,575.96 and 9,603,494

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Solution

The fourth proportional to 12,189,840.16, 16,818,575.96 and 9,603,494 is: 13,250,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,840.16 : 16,818,575.96 = 9,603,494 : x
  2. Step 2: Convert to fraction form
    12,189,840.16/16,818,575.96 = 9,603,494/x
  3. Step 3: Cross multiply
    12,189,840.16x = 16,818,575.96 × 9,603,494
  4. Step 4: Simplify right side
    12,189,840.16x = 161,517,093,320,404.25
  5. Step 5: Solve for x
    x = 161,517,093,320,404.25/12,189,840.16
  6. Step 6: Final answer
    x = 13,250,140.38

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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.