Finding the Fourth Proportional to 7,573,214.42, 11,359,821.88 and 1,893,438.74
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Solution
The fourth proportional to 7,573,214.42, 11,359,821.88 and 1,893,438.74 is: 2,840,158.17
Step by Step Solution
- Step 1: Write the proportion equation
7,573,214.42 : 11,359,821.88 = 1,893,438.74 : x - Step 2: Convert to fraction form
7,573,214.42/11,359,821.88 = 1,893,438.74/x - Step 3: Cross multiply
7,573,214.42x = 11,359,821.88 × 1,893,438.74 - Step 4: Simplify right side
7,573,214.42x = 21,509,126,827,091.63 - Step 5: Solve for x
x = 21,509,126,827,091.63/7,573,214.42 - Step 6: Final answer
x = 2,840,158.17
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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.