Home / 39,020,313-53,851,338.69-21,622,115.64

Finding the Fourth Proportional to 39,020,313, 53,851,338.69 and 21,622,115.64

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Solution

The fourth proportional to 39,020,313, 53,851,338.69 and 21,622,115.64 is: 29,840,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020,313 : 53,851,338.69 = 21,622,115.64 : x
  2. Step 2: Convert to fraction form
    39,020,313/53,851,338.69 = 21,622,115.64/x
  3. Step 3: Cross multiply
    39,020,313x = 53,851,338.69 × 21,622,115.64
  4. Step 4: Simplify right side
    39,020,313x = 1,164,379,872,523,986
  5. Step 5: Solve for x
    x = 1,164,379,872,523,986/39,020,313
  6. Step 6: Final answer
    x = 29,840,351.93

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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.