Finding the Fourth Proportional to 33,345,878.97, 46,016,324.33 and 18,461,866.13
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Solution
The fourth proportional to 33,345,878.97, 46,016,324.33 and 18,461,866.13 is: 25,476,827.90
Step by Step Solution
- Step 1: Write the proportion equation
33,345,878.97 : 46,016,324.33 = 18,461,866.13 : x - Step 2: Convert to fraction form
33,345,878.97/46,016,324.33 = 18,461,866.13/x - Step 3: Cross multiply
33,345,878.97x = 46,016,324.33 × 18,461,866.13 - Step 4: Simplify right side
33,345,878.97x = 849,547,219,575,121.88 - Step 5: Solve for x
x = 849,547,219,575,121.88/33,345,878.97 - Step 6: Final answer
x = 25,476,827.90
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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.