Home / 39,033,608.72-53,866,696.70-21,630,244.37

Finding the Fourth Proportional to 39,033,608.72, 53,866,696.70 and 21,630,244.37

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Solution

The fourth proportional to 39,033,608.72, 53,866,696.70 and 21,630,244.37 is: 29,849,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,608.72 : 53,866,696.70 = 21,630,244.37 : x
  2. Step 2: Convert to fraction form
    39,033,608.72/53,866,696.70 = 21,630,244.37/x
  3. Step 3: Cross multiply
    39,033,608.72x = 53,866,696.70 × 21,630,244.37
  4. Step 4: Simplify right side
    39,033,608.72x = 1,165,149,812,917,521.50
  5. Step 5: Solve for x
    x = 1,165,149,812,917,521.50/39,033,608.72
  6. Step 6: Final answer
    x = 29,849,912.71

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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.