Home / 12,419,189.18-17,135,549.35-10,439,850.16

Finding the Fourth Proportional to 12,419,189.18, 17,135,549.35 and 10,439,850.16

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Solution

The fourth proportional to 12,419,189.18, 17,135,549.35 and 10,439,850.16 is: 14,404,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,189.18 : 17,135,549.35 = 10,439,850.16 : x
  2. Step 2: Convert to fraction form
    12,419,189.18/17,135,549.35 = 10,439,850.16/x
  3. Step 3: Cross multiply
    12,419,189.18x = 17,135,549.35 × 10,439,850.16
  4. Step 4: Simplify right side
    12,419,189.18x = 178,892,567,623,285.41
  5. Step 5: Solve for x
    x = 178,892,567,623,285.41/12,419,189.18
  6. Step 6: Final answer
    x = 14,404,528.76

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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.