Home / 28,546,852.25-39,394,685.26-15,494,113.86

Finding the Fourth Proportional to 28,546,852.25, 39,394,685.26 and 15,494,113.86

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Solution

The fourth proportional to 28,546,852.25, 39,394,685.26 and 15,494,113.86 is: 21,381,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,852.25 : 39,394,685.26 = 15,494,113.86 : x
  2. Step 2: Convert to fraction form
    28,546,852.25/39,394,685.26 = 15,494,113.86/x
  3. Step 3: Cross multiply
    28,546,852.25x = 39,394,685.26 × 15,494,113.86
  4. Step 4: Simplify right side
    28,546,852.25x = 610,385,738,768,941.25
  5. Step 5: Solve for x
    x = 610,385,738,768,941.25/28,546,852.25
  6. Step 6: Final answer
    x = 21,381,892.94

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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.