Finding the Fourth Proportional to 7,843,707.34, 11,686,724.57 and 7,403,168.98
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Solution
The fourth proportional to 7,843,707.34, 11,686,724.57 and 7,403,168.98 is: 11,030,344.84
Step by Step Solution
- Step 1: Write the proportion equation
7,843,707.34 : 11,686,724.57 = 7,403,168.98 : x - Step 2: Convert to fraction form
7,843,707.34/11,686,724.57 = 7,403,168.98/x - Step 3: Cross multiply
7,843,707.34x = 11,686,724.57 × 7,403,168.98 - Step 4: Simplify right side
7,843,707.34x = 86,518,796,814,427.84 - Step 5: Solve for x
x = 86,518,796,814,427.84/7,843,707.34 - Step 6: Final answer
x = 11,030,344.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.