Finding the Fourth Proportional to 27,745,552.24, 38,288,580 and 15,355,669.84
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Solution
The fourth proportional to 27,745,552.24, 38,288,580 and 15,355,669.84 is: 21,190,668.26
Step by Step Solution
- Step 1: Write the proportion equation
27,745,552.24 : 38,288,580 = 15,355,669.84 : x - Step 2: Convert to fraction form
27,745,552.24/38,288,580 = 15,355,669.84/x - Step 3: Cross multiply
27,745,552.24x = 38,288,580 × 15,355,669.84 - Step 4: Simplify right side
27,745,552.24x = 587,946,793,122,427.25 - Step 5: Solve for x
x = 587,946,793,122,427.25/27,745,552.24 - Step 6: Final answer
x = 21,190,668.26
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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.