Home / 28,858,550.12-39,824,837.57-15,627,749.86

Finding the Fourth Proportional to 28,858,550.12, 39,824,837.57 and 15,627,749.86

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Solution

The fourth proportional to 28,858,550.12, 39,824,837.57 and 15,627,749.86 is: 21,566,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,550.12 : 39,824,837.57 = 15,627,749.86 : x
  2. Step 2: Convert to fraction form
    28,858,550.12/39,824,837.57 = 15,627,749.86/x
  3. Step 3: Cross multiply
    28,858,550.12x = 39,824,837.57 × 15,627,749.86
  4. Step 4: Simplify right side
    28,858,550.12x = 622,372,599,680,951.38
  5. Step 5: Solve for x
    x = 622,372,599,680,951.38/28,858,550.12
  6. Step 6: Final answer
    x = 21,566,315.60

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1.5x scale

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.