Finding the Fourth Proportional to 21,859,026.64, 32,646,818.97 and 19,805,584.50
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Solution
The fourth proportional to 21,859,026.64, 32,646,818.97 and 19,805,584.50 is: 29,579,969.05
Step by Step Solution
- Step 1: Write the proportion equation
21,859,026.64 : 32,646,818.97 = 19,805,584.50 : x - Step 2: Convert to fraction form
21,859,026.64/32,646,818.97 = 19,805,584.50/x - Step 3: Cross multiply
21,859,026.64x = 32,646,818.97 × 19,805,584.50 - Step 4: Simplify right side
21,859,026.64x = 646,589,331,553,790 - Step 5: Solve for x
x = 646,589,331,553,790/21,859,026.64 - Step 6: Final answer
x = 29,579,969.05
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.