Home / 12,950,760-17,871,579.38-7,149,416.88

Finding the Fourth Proportional to 12,950,760, 17,871,579.38 and 7,149,416.88

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Solution

The fourth proportional to 12,950,760, 17,871,579.38 and 7,149,416.88 is: 9,865,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,760 : 17,871,579.38 = 7,149,416.88 : x
  2. Step 2: Convert to fraction form
    12,950,760/17,871,579.38 = 7,149,416.88/x
  3. Step 3: Cross multiply
    12,950,760x = 17,871,579.38 × 7,149,416.88
  4. Step 4: Simplify right side
    12,950,760x = 127,771,371,291,631.92
  5. Step 5: Solve for x
    x = 127,771,371,291,631.92/12,950,760
  6. Step 6: Final answer
    x = 9,865,936.15

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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.