Finding the Fourth Proportional to 21,227,775.74, 31,841,488.71 and 6,081,721.82
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Solution
The fourth proportional to 21,227,775.74, 31,841,488.71 and 6,081,721.82 is: 9,122,532.62
Step by Step Solution
- Step 1: Write the proportion equation
21,227,775.74 : 31,841,488.71 = 6,081,721.82 : x - Step 2: Convert to fraction form
21,227,775.74/31,841,488.71 = 6,081,721.82/x - Step 3: Cross multiply
21,227,775.74x = 31,841,488.71 × 6,081,721.82 - Step 4: Simplify right side
21,227,775.74x = 193,651,076,668,890.66 - Step 5: Solve for x
x = 193,651,076,668,890.66/21,227,775.74 - Step 6: Final answer
x = 9,122,532.62
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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.