Home / 12,871,406.46-17,760,615.75-7,363,906.50

Finding the Fourth Proportional to 12,871,406.46, 17,760,615.75 and 7,363,906.50

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Solution

The fourth proportional to 12,871,406.46, 17,760,615.75 and 7,363,906.50 is: 10,161,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,406.46 : 17,760,615.75 = 7,363,906.50 : x
  2. Step 2: Convert to fraction form
    12,871,406.46/17,760,615.75 = 7,363,906.50/x
  3. Step 3: Cross multiply
    12,871,406.46x = 17,760,615.75 × 7,363,906.50
  4. Step 4: Simplify right side
    12,871,406.46x = 130,787,513,765,427.38
  5. Step 5: Solve for x
    x = 130,787,513,765,427.38/12,871,406.46
  6. Step 6: Final answer
    x = 10,161,089.56

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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.