Finding the Fourth Proportional to 10,107,369.79, 13,948,139.48 and 5,523,691.17
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Solution
The fourth proportional to 10,107,369.79, 13,948,139.48 and 5,523,691.17 is: 7,622,676.96
Step by Step Solution
- Step 1: Write the proportion equation
10,107,369.79 : 13,948,139.48 = 5,523,691.17 : x - Step 2: Convert to fraction form
10,107,369.79/13,948,139.48 = 5,523,691.17/x - Step 3: Cross multiply
10,107,369.79x = 13,948,139.48 × 5,523,691.17 - Step 4: Simplify right side
10,107,369.79x = 77,045,214,845,371.31 - Step 5: Solve for x
x = 77,045,214,845,371.31/10,107,369.79 - Step 6: Final answer
x = 7,622,676.96
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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.