Finding the Fourth Proportional to 32,643,124.80, 48,966,530.40 and 9,924,763.20
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Solution
The fourth proportional to 32,643,124.80, 48,966,530.40 and 9,924,763.20 is: 14,887,705.20
Step by Step Solution
- Step 1: Write the proportion equation
32,643,124.80 : 48,966,530.40 = 9,924,763.20 : x - Step 2: Convert to fraction form
32,643,124.80/48,966,530.40 = 9,924,763.20/x - Step 3: Cross multiply
32,643,124.80x = 48,966,530.40 × 9,924,763.20 - Step 4: Simplify right side
32,643,124.80x = 485,981,218,945,601.25 - Step 5: Solve for x
x = 485,981,218,945,601.25/32,643,124.80 - Step 6: Final answer
x = 14,887,705.20
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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.