Finding the Fourth Proportional to 14,677,419.40, 22,016,129.12 and 4,578,728.20
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Solution
The fourth proportional to 14,677,419.40, 22,016,129.12 and 4,578,728.20 is: 6,868,092.31
Step by Step Solution
- Step 1: Write the proportion equation
14,677,419.40 : 22,016,129.12 = 4,578,728.20 : x - Step 2: Convert to fraction form
14,677,419.40/22,016,129.12 = 4,578,728.20/x - Step 3: Cross multiply
14,677,419.40x = 22,016,129.12 × 4,578,728.20 - Step 4: Simplify right side
14,677,419.40x = 100,805,871,256,585.19 - Step 5: Solve for x
x = 100,805,871,256,585.19/14,677,419.40 - Step 6: Final answer
x = 6,868,092.31
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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.