Home / 28,477,526.83-39,298,998.18-15,424,745.38

Finding the Fourth Proportional to 28,477,526.83, 39,298,998.18 and 15,424,745.38

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Solution

The fourth proportional to 28,477,526.83, 39,298,998.18 and 15,424,745.38 is: 21,286,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,477,526.83 : 39,298,998.18 = 15,424,745.38 : x
  2. Step 2: Convert to fraction form
    28,477,526.83/39,298,998.18 = 15,424,745.38/x
  3. Step 3: Cross multiply
    28,477,526.83x = 39,298,998.18 × 15,424,745.38
  4. Step 4: Simplify right side
    28,477,526.83x = 606,177,040,620,625.88
  5. Step 5: Solve for x
    x = 606,177,040,620,625.88/28,477,526.83
  6. Step 6: Final answer
    x = 21,286,154.67

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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.