Home / 36,159,880.68-49,879,788.90-21,664,794.60

Finding the Fourth Proportional to 36,159,880.68, 49,879,788.90 and 21,664,794.60

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Solution

The fourth proportional to 36,159,880.68, 49,879,788.90 and 21,664,794.60 is: 29,884,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,159,880.68 : 49,879,788.90 = 21,664,794.60 : x
  2. Step 2: Convert to fraction form
    36,159,880.68/49,879,788.90 = 21,664,794.60/x
  3. Step 3: Cross multiply
    36,159,880.68x = 49,879,788.90 × 21,664,794.60
  4. Step 4: Simplify right side
    36,159,880.68x = 1,080,635,381,209,860
  5. Step 5: Solve for x
    x = 1,080,635,381,209,860/36,159,880.68
  6. Step 6: Final answer
    x = 29,884,926.63

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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.