Finding the Fourth Proportional to 9,988,881.68, 13,784,680.68 and 5,405,252.24
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Solution
The fourth proportional to 9,988,881.68, 13,784,680.68 and 5,405,252.24 is: 7,459,261.06
Step by Step Solution
- Step 1: Write the proportion equation
9,988,881.68 : 13,784,680.68 = 5,405,252.24 : x - Step 2: Convert to fraction form
9,988,881.68/13,784,680.68 = 5,405,252.24/x - Step 3: Cross multiply
9,988,881.68x = 13,784,680.68 × 5,405,252.24 - Step 4: Simplify right side
9,988,881.68x = 74,509,676,123,254.72 - Step 5: Solve for x
x = 74,509,676,123,254.72/9,988,881.68 - Step 6: Final answer
x = 7,459,261.06
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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.