Finding the Fourth Proportional to 38,537,799.24, 53,177,275 and 21,129,563.56
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Solution
The fourth proportional to 38,537,799.24, 53,177,275 and 21,129,563.56 is: 29,156,117.74
Step by Step Solution
- Step 1: Write the proportion equation
38,537,799.24 : 53,177,275 = 21,129,563.56 : x - Step 2: Convert to fraction form
38,537,799.24/53,177,275 = 21,129,563.56/x - Step 3: Cross multiply
38,537,799.24x = 53,177,275 × 21,129,563.56 - Step 4: Simplify right side
38,537,799.24x = 1,123,612,612,060,098.88 - Step 5: Solve for x
x = 1,123,612,612,060,098.88/38,537,799.24 - Step 6: Final answer
x = 29,156,117.74
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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.