Finding the Fourth Proportional to 7,357,478.48, 11,037,878.52 and 2,240,365.98
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Solution
The fourth proportional to 7,357,478.48, 11,037,878.52 and 2,240,365.98 is: 3,361,054.69
Step by Step Solution
- Step 1: Write the proportion equation
7,357,478.48 : 11,037,878.52 = 2,240,365.98 : x - Step 2: Convert to fraction form
7,357,478.48/11,037,878.52 = 2,240,365.98/x - Step 3: Cross multiply
7,357,478.48x = 11,037,878.52 × 2,240,365.98 - Step 4: Simplify right side
7,357,478.48x = 24,728,887,527,580.75 - Step 5: Solve for x
x = 24,728,887,527,580.75/7,357,478.48 - Step 6: Final answer
x = 3,361,054.69
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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.