Finding the Fourth Proportional to 19,382,264.97, 29,077,920.09 and 6,427,467.96
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Solution
The fourth proportional to 19,382,264.97, 29,077,920.09 and 6,427,467.96 is: 9,642,701.72
Step by Step Solution
- Step 1: Write the proportion equation
19,382,264.97 : 29,077,920.09 = 6,427,467.96 : x - Step 2: Convert to fraction form
19,382,264.97/29,077,920.09 = 6,427,467.96/x - Step 3: Cross multiply
19,382,264.97x = 29,077,920.09 × 6,427,467.96 - Step 4: Simplify right side
19,382,264.97x = 186,897,399,721,915.31 - Step 5: Solve for x
x = 186,897,399,721,915.31/19,382,264.97 - Step 6: Final answer
x = 9,642,701.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.