Home / 28,529,676.28-39,370,953.30-16,306,795.72

Finding the Fourth Proportional to 28,529,676.28, 39,370,953.30 and 16,306,795.72

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Solution

The fourth proportional to 28,529,676.28, 39,370,953.30 and 16,306,795.72 is: 22,503,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529,676.28 : 39,370,953.30 = 16,306,795.72 : x
  2. Step 2: Convert to fraction form
    28,529,676.28/39,370,953.30 = 16,306,795.72/x
  3. Step 3: Cross multiply
    28,529,676.28x = 39,370,953.30 × 16,306,795.72
  4. Step 4: Simplify right side
    28,529,676.28x = 642,014,092,764,759.88
  5. Step 5: Solve for x
    x = 642,014,092,764,759.88/28,529,676.28
  6. Step 6: Final answer
    x = 22,503,378.11

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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.