Finding the Fourth Proportional to 21,684,769.02, 29,924,702.06 and 12,392,232.68
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Solution
The fourth proportional to 21,684,769.02, 29,924,702.06 and 12,392,232.68 is: 17,101,121.55
Step by Step Solution
- Step 1: Write the proportion equation
21,684,769.02 : 29,924,702.06 = 12,392,232.68 : x - Step 2: Convert to fraction form
21,684,769.02/29,924,702.06 = 12,392,232.68/x - Step 3: Cross multiply
21,684,769.02x = 29,924,702.06 × 12,392,232.68 - Step 4: Simplify right side
21,684,769.02x = 370,833,870,688,552.44 - Step 5: Solve for x
x = 370,833,870,688,552.44/21,684,769.02 - Step 6: Final answer
x = 17,101,121.55
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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.