Finding the Fourth Proportional to 7,836,094.88, 10,812,981.12 and 4,398,714.08
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Solution
The fourth proportional to 7,836,094.88, 10,812,981.12 and 4,398,714.08 is: 6,069,759.62
Step by Step Solution
- Step 1: Write the proportion equation
7,836,094.88 : 10,812,981.12 = 4,398,714.08 : x - Step 2: Convert to fraction form
7,836,094.88/10,812,981.12 = 4,398,714.08/x - Step 3: Cross multiply
7,836,094.88x = 10,812,981.12 × 4,398,714.08 - Step 4: Simplify right side
7,836,094.88x = 47,563,212,299,318.16 - Step 5: Solve for x
x = 47,563,212,299,318.16/7,836,094.88 - Step 6: Final answer
x = 6,069,759.62
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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.