Finding the Fourth Proportional to 26,138,411.20, 39,207,616.80 and 16,596,092.80
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Solution
The fourth proportional to 26,138,411.20, 39,207,616.80 and 16,596,092.80 is: 24,894,139.20
Step by Step Solution
- Step 1: Write the proportion equation
26,138,411.20 : 39,207,616.80 = 16,596,092.80 : x - Step 2: Convert to fraction form
26,138,411.20/39,207,616.80 = 16,596,092.80/x - Step 3: Cross multiply
26,138,411.20x = 39,207,616.80 × 16,596,092.80 - Step 4: Simplify right side
26,138,411.20x = 650,693,246,879,639 - Step 5: Solve for x
x = 650,693,246,879,639/26,138,411.20 - Step 6: Final answer
x = 24,894,139.20
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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.