Finding the Fourth Proportional to 19,781,519.19, 29,691,432.80 and 9,553,568.09
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Solution
The fourth proportional to 19,781,519.19, 29,691,432.80 and 9,553,568.09 is: 14,339,602.64
Step by Step Solution
- Step 1: Write the proportion equation
19,781,519.19 : 29,691,432.80 = 9,553,568.09 : x - Step 2: Convert to fraction form
19,781,519.19/29,691,432.80 = 9,553,568.09/x - Step 3: Cross multiply
19,781,519.19x = 29,691,432.80 × 9,553,568.09 - Step 4: Simplify right side
19,781,519.19x = 283,659,124,784,060.25 - Step 5: Solve for x
x = 283,659,124,784,060.25/19,781,519.19 - Step 6: Final answer
x = 14,339,602.64
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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.