Finding the Fourth Proportional to 39,036,394.79, 53,870,541.68 and 21,633,026.39
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Solution
The fourth proportional to 39,036,394.79, 53,870,541.68 and 21,633,026.39 is: 29,853,752.02
Step by Step Solution
- Step 1: Write the proportion equation
39,036,394.79 : 53,870,541.68 = 21,633,026.39 : x - Step 2: Convert to fraction form
39,036,394.79/53,870,541.68 = 21,633,026.39/x - Step 3: Cross multiply
39,036,394.79x = 53,870,541.68 × 21,633,026.39 - Step 4: Simplify right side
39,036,394.79x = 1,165,382,849,807,035 - Step 5: Solve for x
x = 1,165,382,849,807,035/39,036,394.79 - Step 6: Final answer
x = 29,853,752.02
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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.