Home / 16,655,540.40-24,983,310.60-12,871,738.80

Finding the Fourth Proportional to 16,655,540.40, 24,983,310.60 and 12,871,738.80

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Solution

The fourth proportional to 16,655,540.40, 24,983,310.60 and 12,871,738.80 is: 19,307,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655,540.40 : 24,983,310.60 = 12,871,738.80 : x
  2. Step 2: Convert to fraction form
    16,655,540.40/24,983,310.60 = 12,871,738.80/x
  3. Step 3: Cross multiply
    16,655,540.40x = 24,983,310.60 × 12,871,738.80
  4. Step 4: Simplify right side
    16,655,540.40x = 321,578,648,402,471.31
  5. Step 5: Solve for x
    x = 321,578,648,402,471.31/16,655,540.40
  6. Step 6: Final answer
    x = 19,307,608.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.