Finding the Fourth Proportional to 8,657,306.26, 12,985,827.63 and 2,977,579.78
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Solution
The fourth proportional to 8,657,306.26, 12,985,827.63 and 2,977,579.78 is: 4,466,324.35
Step by Step Solution
- Step 1: Write the proportion equation
8,657,306.26 : 12,985,827.63 = 2,977,579.78 : x - Step 2: Convert to fraction form
8,657,306.26/12,985,827.63 = 2,977,579.78/x - Step 3: Cross multiply
8,657,306.26x = 12,985,827.63 × 2,977,579.78 - Step 4: Simplify right side
8,657,306.26x = 38,666,337,777,653.32 - Step 5: Solve for x
x = 38,666,337,777,653.32/8,657,306.26 - Step 6: Final answer
x = 4,466,324.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.