Home / 39,033,694.94-53,866,819.94-21,630,330.79

Finding the Fourth Proportional to 39,033,694.94, 53,866,819.94 and 21,630,330.79

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Solution

The fourth proportional to 39,033,694.94, 53,866,819.94 and 21,630,330.79 is: 29,850,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,694.94 : 53,866,819.94 = 21,630,330.79 : x
  2. Step 2: Convert to fraction form
    39,033,694.94/53,866,819.94 = 21,630,330.79/x
  3. Step 3: Cross multiply
    39,033,694.94x = 53,866,819.94 × 21,630,330.79
  4. Step 4: Simplify right side
    39,033,694.94x = 1,165,157,133,664,749.50
  5. Step 5: Solve for x
    x = 1,165,157,133,664,749.50/39,033,694.94
  6. Step 6: Final answer
    x = 29,850,034.33

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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.