Home / 12,871,299.24-19,306,937.70-3,286,679.40

Finding the Fourth Proportional to 12,871,299.24, 19,306,937.70 and 3,286,679.40

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Solution

The fourth proportional to 12,871,299.24, 19,306,937.70 and 3,286,679.40 is: 4,930,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,299.24 : 19,306,937.70 = 3,286,679.40 : x
  2. Step 2: Convert to fraction form
    12,871,299.24/19,306,937.70 = 3,286,679.40/x
  3. Step 3: Cross multiply
    12,871,299.24x = 19,306,937.70 × 3,286,679.40
  4. Step 4: Simplify right side
    12,871,299.24x = 63,455,714,415,673.38
  5. Step 5: Solve for x
    x = 63,455,714,415,673.38/12,871,299.24
  6. Step 6: Final answer
    x = 4,930,016.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.