Finding the Fourth Proportional to 14,370,169.01, 19,827,872.91 and 8,257,416.53
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Solution
The fourth proportional to 14,370,169.01, 19,827,872.91 and 8,257,416.53 is: 11,393,533.75
Step by Step Solution
- Step 1: Write the proportion equation
14,370,169.01 : 19,827,872.91 = 8,257,416.53 : x - Step 2: Convert to fraction form
14,370,169.01/19,827,872.91 = 8,257,416.53/x - Step 3: Cross multiply
14,370,169.01x = 19,827,872.91 × 8,257,416.53 - Step 4: Simplify right side
14,370,169.01x = 163,727,005,586,825.53 - Step 5: Solve for x
x = 163,727,005,586,825.53/14,370,169.01 - Step 6: Final answer
x = 11,393,533.75
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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.