Home / 28,684,458.15-39,583,400.46-15,631,438.87

Finding the Fourth Proportional to 28,684,458.15, 39,583,400.46 and 15,631,438.87

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Solution

The fourth proportional to 28,684,458.15, 39,583,400.46 and 15,631,438.87 is: 21,570,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684,458.15 : 39,583,400.46 = 15,631,438.87 : x
  2. Step 2: Convert to fraction form
    28,684,458.15/39,583,400.46 = 15,631,438.87/x
  3. Step 3: Cross multiply
    28,684,458.15x = 39,583,400.46 × 15,631,438.87
  4. Step 4: Simplify right side
    28,684,458.15x = 618,745,504,359,302.88
  5. Step 5: Solve for x
    x = 618,745,504,359,302.88/28,684,458.15
  6. Step 6: Final answer
    x = 21,570,757.97

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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.