Finding the Fourth Proportional to 29,142,702.68, 40,179,546.42 and 23,896,381.28
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Solution
The fourth proportional to 29,142,702.68, 40,179,546.42 and 23,896,381.28 is: 32,946,352.69
Step by Step Solution
- Step 1: Write the proportion equation
29,142,702.68 : 40,179,546.42 = 23,896,381.28 : x - Step 2: Convert to fraction form
29,142,702.68/40,179,546.42 = 23,896,381.28/x - Step 3: Cross multiply
29,142,702.68x = 40,179,546.42 × 23,896,381.28 - Step 4: Simplify right side
29,142,702.68x = 960,145,760,909,779.12 - Step 5: Solve for x
x = 960,145,760,909,779.12/29,142,702.68 - Step 6: Final answer
x = 32,946,352.69
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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.