Finding the Fourth Proportional to 16,643,816.80, 24,965,725.20 and 11,841,359.20
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Solution
The fourth proportional to 16,643,816.80, 24,965,725.20 and 11,841,359.20 is: 17,762,038.80
Step by Step Solution
- Step 1: Write the proportion equation
16,643,816.80 : 24,965,725.20 = 11,841,359.20 : x - Step 2: Convert to fraction form
16,643,816.80/24,965,725.20 = 11,841,359.20/x - Step 3: Cross multiply
16,643,816.80x = 24,965,725.20 × 11,841,359.20 - Step 4: Simplify right side
16,643,816.80x = 295,628,119,781,691.81 - Step 5: Solve for x
x = 295,628,119,781,691.81/16,643,816.80 - Step 6: Final answer
x = 17,762,038.80
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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.