Finding the Fourth Proportional to 8,974,813.26, 12,385,193.30 and 4,900,403.10
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Solution
The fourth proportional to 8,974,813.26, 12,385,193.30 and 4,900,403.10 is: 6,762,529.52
Step by Step Solution
- Step 1: Write the proportion equation
8,974,813.26 : 12,385,193.30 = 4,900,403.10 : x - Step 2: Convert to fraction form
8,974,813.26/12,385,193.30 = 4,900,403.10/x - Step 3: Cross multiply
8,974,813.26x = 12,385,193.30 × 4,900,403.10 - Step 4: Simplify right side
8,974,813.26x = 60,692,439,641,419.23 - Step 5: Solve for x
x = 60,692,439,641,419.23/8,974,813.26 - Step 6: Final answer
x = 6,762,529.52
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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.