Finding the Fourth Proportional to 26,554,488.48, 36,609,857.68 and 19,910,811.68
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Solution
The fourth proportional to 26,554,488.48, 36,609,857.68 and 19,910,811.68 is: 27,450,424.53
Step by Step Solution
- Step 1: Write the proportion equation
26,554,488.48 : 36,609,857.68 = 19,910,811.68 : x - Step 2: Convert to fraction form
26,554,488.48/36,609,857.68 = 19,910,811.68/x - Step 3: Cross multiply
26,554,488.48x = 36,609,857.68 × 19,910,811.68 - Step 4: Simplify right side
26,554,488.48x = 728,931,981,898,081.62 - Step 5: Solve for x
x = 728,931,981,898,081.62/26,554,488.48 - Step 6: Final answer
x = 27,450,424.53
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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.