Finding the Fourth Proportional to 19,030,381.93, 26,261,953.05 and 10,328,554.66
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Solution
The fourth proportional to 19,030,381.93, 26,261,953.05 and 10,328,554.66 is: 14,253,419.53
Step by Step Solution
- Step 1: Write the proportion equation
19,030,381.93 : 26,261,953.05 = 10,328,554.66 : x - Step 2: Convert to fraction form
19,030,381.93/26,261,953.05 = 10,328,554.66/x - Step 3: Cross multiply
19,030,381.93x = 26,261,953.05 × 10,328,554.66 - Step 4: Simplify right side
19,030,381.93x = 271,248,017,555,278.72 - Step 5: Solve for x
x = 271,248,017,555,278.72/19,030,381.93 - Step 6: Final answer
x = 14,253,419.53
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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.