Finding the Fourth Proportional to 8,266,187.62, 12,399,407.76 and 3,148,901.62
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Solution
The fourth proportional to 8,266,187.62, 12,399,407.76 and 3,148,901.62 is: 4,723,400.55
Step by Step Solution
- Step 1: Write the proportion equation
8,266,187.62 : 12,399,407.76 = 3,148,901.62 : x - Step 2: Convert to fraction form
8,266,187.62/12,399,407.76 = 3,148,901.62/x - Step 3: Cross multiply
8,266,187.62x = 12,399,407.76 × 3,148,901.62 - Step 4: Simplify right side
8,266,187.62x = 39,044,515,182,504.57 - Step 5: Solve for x
x = 39,044,515,182,504.57/8,266,187.62 - Step 6: Final answer
x = 4,723,400.55
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1.5x scale
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.