Home / 18,716,893.86-25,824,886.97-10,871,744.61

Finding the Fourth Proportional to 18,716,893.86, 25,824,886.97 and 10,871,744.61

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Solution

The fourth proportional to 18,716,893.86, 25,824,886.97 and 10,871,744.61 is: 15,000,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,893.86 : 25,824,886.97 = 10,871,744.61 : x
  2. Step 2: Convert to fraction form
    18,716,893.86/25,824,886.97 = 10,871,744.61/x
  3. Step 3: Cross multiply
    18,716,893.86x = 25,824,886.97 × 10,871,744.61
  4. Step 4: Simplify right side
    18,716,893.86x = 280,761,575,665,598
  5. Step 5: Solve for x
    x = 280,761,575,665,598/18,716,893.86
  6. Step 6: Final answer
    x = 15,000,436.38

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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.