Finding the Fourth Proportional to 8,495,862.20, 12,739,069.37 and 2,812,986.44
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Solution
The fourth proportional to 8,495,862.20, 12,739,069.37 and 2,812,986.44 is: 4,217,915.56
Step by Step Solution
- Step 1: Write the proportion equation
8,495,862.20 : 12,739,069.37 = 2,812,986.44 : x - Step 2: Convert to fraction form
8,495,862.20/12,739,069.37 = 2,812,986.44/x - Step 3: Cross multiply
8,495,862.20x = 12,739,069.37 × 2,812,986.44 - Step 4: Simplify right side
8,495,862.20x = 35,834,829,318,269.06 - Step 5: Solve for x
x = 35,834,829,318,269.06/8,495,862.20 - Step 6: Final answer
x = 4,217,915.56
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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.