Finding the Fourth Proportional to 19,423,211.63, 26,804,028.01 and 10,721,381.97
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Solution
The fourth proportional to 19,423,211.63, 26,804,028.01 and 10,721,381.97 is: 14,795,504.89
Step by Step Solution
- Step 1: Write the proportion equation
19,423,211.63 : 26,804,028.01 = 10,721,381.97 : x - Step 2: Convert to fraction form
19,423,211.63/26,804,028.01 = 10,721,381.97/x - Step 3: Cross multiply
19,423,211.63x = 26,804,028.01 × 10,721,381.97 - Step 4: Simplify right side
19,423,211.63x = 287,376,222,576,182.06 - Step 5: Solve for x
x = 287,376,222,576,182.06/19,423,211.63 - Step 6: Final answer
x = 14,795,504.89
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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.