Finding the Fourth Proportional to 7,273,335.90, 10,043,691.54 and 6,928,784.96
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Solution
The fourth proportional to 7,273,335.90, 10,043,691.54 and 6,928,784.96 is: 9,567,903.89
Step by Step Solution
- Step 1: Write the proportion equation
7,273,335.90 : 10,043,691.54 = 6,928,784.96 : x - Step 2: Convert to fraction form
7,273,335.90/10,043,691.54 = 6,928,784.96/x - Step 3: Cross multiply
7,273,335.90x = 10,043,691.54 × 6,928,784.96 - Step 4: Simplify right side
7,273,335.90x = 69,590,578,885,231.23 - Step 5: Solve for x
x = 69,590,578,885,231.23/7,273,335.90 - Step 6: Final answer
x = 9,567,903.89
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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.