Finding the Fourth Proportional to 29,445,721.58, 40,634,301.96 and 16,392,981.68
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Solution
The fourth proportional to 29,445,721.58, 40,634,301.96 and 16,392,981.68 is: 22,621,872.78
Step by Step Solution
- Step 1: Write the proportion equation
29,445,721.58 : 40,634,301.96 = 16,392,981.68 : x - Step 2: Convert to fraction form
29,445,721.58/40,634,301.96 = 16,392,981.68/x - Step 3: Cross multiply
29,445,721.58x = 40,634,301.96 × 16,392,981.68 - Step 4: Simplify right side
29,445,721.58x = 666,117,367,609,868.12 - Step 5: Solve for x
x = 666,117,367,609,868.12/29,445,721.58 - Step 6: Final answer
x = 22,621,872.78
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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.