Finding the Fourth Proportional to 22,378,363.52, 30,879,976.98 and 12,592,194.62
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Solution
The fourth proportional to 22,378,363.52, 30,879,976.98 and 12,592,194.62 is: 17,376,010.52
Step by Step Solution
- Step 1: Write the proportion equation
22,378,363.52 : 30,879,976.98 = 12,592,194.62 : x - Step 2: Convert to fraction form
22,378,363.52/30,879,976.98 = 12,592,194.62/x - Step 3: Cross multiply
22,378,363.52x = 30,879,976.98 × 12,592,194.62 - Step 4: Simplify right side
22,378,363.52x = 388,846,679,993,279.81 - Step 5: Solve for x
x = 388,846,679,993,279.81/22,378,363.52 - Step 6: Final answer
x = 17,376,010.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.