Finding the Fourth Proportional to 11,999,425.20, 16,559,173.26 and 6,492,893.40
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Solution
The fourth proportional to 11,999,425.20, 16,559,173.26 and 6,492,893.40 is: 8,960,174.76
Step by Step Solution
- Step 1: Write the proportion equation
11,999,425.20 : 16,559,173.26 = 6,492,893.40 : x - Step 2: Convert to fraction form
11,999,425.20/16,559,173.26 = 6,492,893.40/x - Step 3: Cross multiply
11,999,425.20x = 16,559,173.26 × 6,492,893.40 - Step 4: Simplify right side
11,999,425.20x = 107,516,946,834,139.52 - Step 5: Solve for x
x = 107,516,946,834,139.52/11,999,425.20 - Step 6: Final answer
x = 8,960,174.76
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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.