Finding the Fourth Proportional to 38,350,164.19, 57,315,111.12 and 27,997,185.09
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Solution
The fourth proportional to 38,350,164.19, 57,315,111.12 and 27,997,185.09 is: 41,842,370.38
Step by Step Solution
- Step 1: Write the proportion equation
38,350,164.19 : 57,315,111.12 = 27,997,185.09 : x - Step 2: Convert to fraction form
38,350,164.19/57,315,111.12 = 27,997,185.09/x - Step 3: Cross multiply
38,350,164.19x = 57,315,111.12 × 27,997,185.09 - Step 4: Simplify right side
38,350,164.19x = 1,604,661,774,172,529.25 - Step 5: Solve for x
x = 1,604,661,774,172,529.25/38,350,164.19 - Step 6: Final answer
x = 41,842,370.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.