Finding the Fourth Proportional to 34,450,449.48, 47,542,696.98 and 19,768,801.38
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Solution
The fourth proportional to 34,450,449.48, 47,542,696.98 and 19,768,801.38 is: 27,281,563.75
Step by Step Solution
- Step 1: Write the proportion equation
34,450,449.48 : 47,542,696.98 = 19,768,801.38 : x - Step 2: Convert to fraction form
34,450,449.48/47,542,696.98 = 19,768,801.38/x - Step 3: Cross multiply
34,450,449.48x = 47,542,696.98 × 19,768,801.38 - Step 4: Simplify right side
34,450,449.48x = 939,862,133,667,145.75 - Step 5: Solve for x
x = 939,862,133,667,145.75/34,450,449.48 - Step 6: Final answer
x = 27,281,563.75
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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.