Finding the Fourth Proportional to 14,609,781.48, 21,917,661.12 and 5,023,915.08
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Solution
The fourth proportional to 14,609,781.48, 21,917,661.12 and 5,023,915.08 is: 7,536,900.42
Step by Step Solution
- Step 1: Write the proportion equation
14,609,781.48 : 21,917,661.12 = 5,023,915.08 : x - Step 2: Convert to fraction form
14,609,781.48/21,917,661.12 = 5,023,915.08/x - Step 3: Cross multiply
14,609,781.48x = 21,917,661.12 × 5,023,915.08 - Step 4: Simplify right side
14,609,781.48x = 110,112,468,219,097.70 - Step 5: Solve for x
x = 110,112,468,219,097.70/14,609,781.48 - Step 6: Final answer
x = 7,536,900.42
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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.