Home / 12,871,617.70-17,758,496.12-7,289,099.73

Finding the Fourth Proportional to 12,871,617.70, 17,758,496.12 and 7,289,099.73

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Solution

The fourth proportional to 12,871,617.70, 17,758,496.12 and 7,289,099.73 is: 10,056,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,617.70 : 17,758,496.12 = 7,289,099.73 : x
  2. Step 2: Convert to fraction form
    12,871,617.70/17,758,496.12 = 7,289,099.73/x
  3. Step 3: Cross multiply
    12,871,617.70x = 17,758,496.12 × 7,289,099.73
  4. Step 4: Simplify right side
    12,871,617.70x = 129,443,449,273,498.06
  5. Step 5: Solve for x
    x = 129,443,449,273,498.06/12,871,617.70
  6. Step 6: Final answer
    x = 10,056,502.01

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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.