Finding the Fourth Proportional to 14,370,174.61, 19,827,880.63 and 8,257,422.13
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Solution
The fourth proportional to 14,370,174.61, 19,827,880.63 and 8,257,422.13 is: 11,393,541.47
Step by Step Solution
- Step 1: Write the proportion equation
14,370,174.61 : 19,827,880.63 = 8,257,422.13 : x - Step 2: Convert to fraction form
14,370,174.61/19,827,880.63 = 8,257,422.13/x - Step 3: Cross multiply
14,370,174.61x = 19,827,880.63 × 8,257,422.13 - Step 4: Simplify right side
14,370,174.61x = 163,727,180,305,160.34 - Step 5: Solve for x
x = 163,727,180,305,160.34/14,370,174.61 - Step 6: Final answer
x = 11,393,541.47
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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.