Finding the Fourth Proportional to 7,344,925.80, 11,021,009.40 and 3,304,273.20
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Solution
The fourth proportional to 7,344,925.80, 11,021,009.40 and 3,304,273.20 is: 4,958,038.65
Step by Step Solution
- Step 1: Write the proportion equation
7,344,925.80 : 11,021,009.40 = 3,304,273.20 : x - Step 2: Convert to fraction form
7,344,925.80/11,021,009.40 = 3,304,273.20/x - Step 3: Cross multiply
7,344,925.80x = 11,021,009.40 × 3,304,273.20 - Step 4: Simplify right side
7,344,925.80x = 36,416,425,997,368.09 - Step 5: Solve for x
x = 36,416,425,997,368.09/7,344,925.80 - Step 6: Final answer
x = 4,958,038.65
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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.