Home / 28,905,745.99-39,892,452.14-15,855,527.15

Finding the Fourth Proportional to 28,905,745.99, 39,892,452.14 and 15,855,527.15

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Solution

The fourth proportional to 28,905,745.99, 39,892,452.14 and 15,855,527.15 is: 21,882,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,745.99 : 39,892,452.14 = 15,855,527.15 : x
  2. Step 2: Convert to fraction form
    28,905,745.99/39,892,452.14 = 15,855,527.15/x
  3. Step 3: Cross multiply
    28,905,745.99x = 39,892,452.14 × 15,855,527.15
  4. Step 4: Simplify right side
    28,905,745.99x = 632,515,857,985,845.62
  5. Step 5: Solve for x
    x = 632,515,857,985,845.62/28,905,745.99
  6. Step 6: Final answer
    x = 21,882,011.22

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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.