Home / 28,546,843-39,394,686.63-15,494,106.69

Finding the Fourth Proportional to 28,546,843, 39,394,686.63 and 15,494,106.69

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Solution

The fourth proportional to 28,546,843, 39,394,686.63 and 15,494,106.69 is: 21,381,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,843 : 39,394,686.63 = 15,494,106.69 : x
  2. Step 2: Convert to fraction form
    28,546,843/39,394,686.63 = 15,494,106.69/x
  3. Step 3: Cross multiply
    28,546,843x = 39,394,686.63 × 15,494,106.69
  4. Step 4: Simplify right side
    28,546,843x = 610,385,477,664,336.62
  5. Step 5: Solve for x
    x = 610,385,477,664,336.62/28,546,843
  6. Step 6: Final answer
    x = 21,381,890.73

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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.