Finding the Fourth Proportional to 7,245,616.95, 9,999,897.39 and 4,674,776.58
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Solution
The fourth proportional to 7,245,616.95, 9,999,897.39 and 4,674,776.58 is: 6,451,802.03
Step by Step Solution
- Step 1: Write the proportion equation
7,245,616.95 : 9,999,897.39 = 4,674,776.58 : x - Step 2: Convert to fraction form
7,245,616.95/9,999,897.39 = 4,674,776.58/x - Step 3: Cross multiply
7,245,616.95x = 9,999,897.39 × 4,674,776.58 - Step 4: Simplify right side
7,245,616.95x = 46,747,286,121,175.13 - Step 5: Solve for x
x = 46,747,286,121,175.13/7,245,616.95 - Step 6: Final answer
x = 6,451,802.03
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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.