Finding the Fourth Proportional to 27,612,274.04, 38,106,235.60 and 15,389,218.52
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Solution
The fourth proportional to 27,612,274.04, 38,106,235.60 and 15,389,218.52 is: 21,237,844.65
Step by Step Solution
- Step 1: Write the proportion equation
27,612,274.04 : 38,106,235.60 = 15,389,218.52 : x - Step 2: Convert to fraction form
27,612,274.04/38,106,235.60 = 15,389,218.52/x - Step 3: Cross multiply
27,612,274.04x = 38,106,235.60 × 15,389,218.52 - Step 4: Simplify right side
27,612,274.04x = 586,425,186,432,472.12 - Step 5: Solve for x
x = 586,425,186,432,472.12/27,612,274.04 - Step 6: Final answer
x = 21,237,844.65
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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.