Home / 13,674,862.82-18,871,367.54-7,395,390.14

Finding the Fourth Proportional to 13,674,862.82, 18,871,367.54 and 7,395,390.14

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Solution

The fourth proportional to 13,674,862.82, 18,871,367.54 and 7,395,390.14 is: 10,205,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,862.82 : 18,871,367.54 = 7,395,390.14 : x
  2. Step 2: Convert to fraction form
    13,674,862.82/18,871,367.54 = 7,395,390.14/x
  3. Step 3: Cross multiply
    13,674,862.82x = 18,871,367.54 × 7,395,390.14
  4. Step 4: Simplify right side
    13,674,862.82x = 139,561,125,433,632.05
  5. Step 5: Solve for x
    x = 139,561,125,433,632.05/13,674,862.82
  6. Step 6: Final answer
    x = 10,205,669.14

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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.