Finding the Fourth Proportional to 12,136,224.24, 16,748,498.58 and 6,979,589.88
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Solution
The fourth proportional to 12,136,224.24, 16,748,498.58 and 6,979,589.88 is: 9,632,126.84
Step by Step Solution
- Step 1: Write the proportion equation
12,136,224.24 : 16,748,498.58 = 6,979,589.88 : x - Step 2: Convert to fraction form
12,136,224.24/16,748,498.58 = 6,979,589.88/x - Step 3: Cross multiply
12,136,224.24x = 16,748,498.58 × 6,979,589.88 - Step 4: Simplify right side
12,136,224.24x = 116,897,651,194,162.38 - Step 5: Solve for x
x = 116,897,651,194,162.38/12,136,224.24 - Step 6: Final answer
x = 9,632,126.84
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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.