Finding the Fourth Proportional to 19,674,936.82, 29,506,010.86 and 6,540,829.03
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Solution
The fourth proportional to 19,674,936.82, 29,506,010.86 and 6,540,829.03 is: 9,809,117.77
Step by Step Solution
- Step 1: Write the proportion equation
19,674,936.82 : 29,506,010.86 = 6,540,829.03 : x - Step 2: Convert to fraction form
19,674,936.82/29,506,010.86 = 6,540,829.03/x - Step 3: Cross multiply
19,674,936.82x = 29,506,010.86 × 6,540,829.03 - Step 4: Simplify right side
19,674,936.82x = 192,993,772,392,583.28 - Step 5: Solve for x
x = 192,993,772,392,583.28/19,674,936.82 - Step 6: Final answer
x = 9,809,117.77
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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.