Home / 18,716,894.61-25,824,888-10,871,745.36

Finding the Fourth Proportional to 18,716,894.61, 25,824,888 and 10,871,745.36

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Solution

The fourth proportional to 18,716,894.61, 25,824,888 and 10,871,745.36 is: 15,000,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,894.61 : 25,824,888 = 10,871,745.36 : x
  2. Step 2: Convert to fraction form
    18,716,894.61/25,824,888 = 10,871,745.36/x
  3. Step 3: Cross multiply
    18,716,894.61x = 25,824,888 × 10,871,745.36
  4. Step 4: Simplify right side
    18,716,894.61x = 280,761,606,286,519.66
  5. Step 5: Solve for x
    x = 280,761,606,286,519.66/18,716,894.61
  6. Step 6: Final answer
    x = 15,000,437.42

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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.