Finding the Fourth Proportional to 7,169,670.84, 9,889,625.34 and 4,266,894.36
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Solution
The fourth proportional to 7,169,670.84, 9,889,625.34 and 4,266,894.36 is: 5,885,623.97
Step by Step Solution
- Step 1: Write the proportion equation
7,169,670.84 : 9,889,625.34 = 4,266,894.36 : x - Step 2: Convert to fraction form
7,169,670.84/9,889,625.34 = 4,266,894.36/x - Step 3: Cross multiply
7,169,670.84x = 9,889,625.34 × 4,266,894.36 - Step 4: Simplify right side
7,169,670.84x = 42,197,986,585,759.09 - Step 5: Solve for x
x = 42,197,986,585,759.09/7,169,670.84 - Step 6: Final answer
x = 5,885,623.97
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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.