Finding the Fourth Proportional to 37,874,522.20, 52,266,863.08 and 21,129,261.77
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Solution
The fourth proportional to 37,874,522.20, 52,266,863.08 and 21,129,261.77 is: 29,158,393.76
Step by Step Solution
- Step 1: Write the proportion equation
37,874,522.20 : 52,266,863.08 = 21,129,261.77 : x - Step 2: Convert to fraction form
37,874,522.20/52,266,863.08 = 21,129,261.77/x - Step 3: Cross multiply
37,874,522.20x = 52,266,863.08 × 21,129,261.77 - Step 4: Simplify right side
37,874,522.20x = 1,104,360,231,777,146 - Step 5: Solve for x
x = 1,104,360,231,777,146/37,874,522.20 - Step 6: Final answer
x = 29,158,393.76
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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.