Home / 28,504,438.09-39,336,177.06-15,451,656.64

Finding the Fourth Proportional to 28,504,438.09, 39,336,177.06 and 15,451,656.64

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Solution

The fourth proportional to 28,504,438.09, 39,336,177.06 and 15,451,656.64 is: 21,323,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504,438.09 : 39,336,177.06 = 15,451,656.64 : x
  2. Step 2: Convert to fraction form
    28,504,438.09/39,336,177.06 = 15,451,656.64/x
  3. Step 3: Cross multiply
    28,504,438.09x = 39,336,177.06 × 15,451,656.64
  4. Step 4: Simplify right side
    28,504,438.09x = 607,809,101,363,024.25
  5. Step 5: Solve for x
    x = 607,809,101,363,024.25/28,504,438.09
  6. Step 6: Final answer
    x = 21,323,314.62

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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.