Finding the Fourth Proportional to 19,228,724.91, 26,531,398.36 and 11,384,342.13
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Solution
The fourth proportional to 19,228,724.91, 26,531,398.36 and 11,384,342.13 is: 15,707,880.65
Step by Step Solution
- Step 1: Write the proportion equation
19,228,724.91 : 26,531,398.36 = 11,384,342.13 : x - Step 2: Convert to fraction form
19,228,724.91/26,531,398.36 = 11,384,342.13/x - Step 3: Cross multiply
19,228,724.91x = 26,531,398.36 × 11,384,342.13 - Step 4: Simplify right side
19,228,724.91x = 302,042,515,927,982.19 - Step 5: Solve for x
x = 302,042,515,927,982.19/19,228,724.91 - Step 6: Final answer
x = 15,707,880.65
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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.