Finding the Fourth Proportional to 7,570,153.98, 11,352,426.12 and 2,711,703.69
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Solution
The fourth proportional to 7,570,153.98, 11,352,426.12 and 2,711,703.69 is: 4,066,550.81
Step by Step Solution
- Step 1: Write the proportion equation
7,570,153.98 : 11,352,426.12 = 2,711,703.69 : x - Step 2: Convert to fraction form
7,570,153.98/11,352,426.12 = 2,711,703.69/x - Step 3: Cross multiply
7,570,153.98x = 11,352,426.12 × 2,711,703.69 - Step 4: Simplify right side
7,570,153.98x = 30,784,415,800,056.38 - Step 5: Solve for x
x = 30,784,415,800,056.38/7,570,153.98 - Step 6: Final answer
x = 4,066,550.81
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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.