Finding the Fourth Proportional to 38,537,802.24, 53,177,279.14 and 21,129,566.56
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Solution
The fourth proportional to 38,537,802.24, 53,177,279.14 and 21,129,566.56 is: 29,156,121.88
Step by Step Solution
- Step 1: Write the proportion equation
38,537,802.24 : 53,177,279.14 = 21,129,566.56 : x - Step 2: Convert to fraction form
38,537,802.24/53,177,279.14 = 21,129,566.56/x - Step 3: Cross multiply
38,537,802.24x = 53,177,279.14 × 21,129,566.56 - Step 4: Simplify right side
38,537,802.24x = 1,123,612,859,068,329.50 - Step 5: Solve for x
x = 1,123,612,859,068,329.50/38,537,802.24 - Step 6: Final answer
x = 29,156,121.88
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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.