Finding the Fourth Proportional to 9,543,379.60, 14,315,069.40 and 8,498,285.20
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Solution
The fourth proportional to 9,543,379.60, 14,315,069.40 and 8,498,285.20 is: 12,747,427.80
Step by Step Solution
- Step 1: Write the proportion equation
9,543,379.60 : 14,315,069.40 = 8,498,285.20 : x - Step 2: Convert to fraction form
9,543,379.60/14,315,069.40 = 8,498,285.20/x - Step 3: Cross multiply
9,543,379.60x = 14,315,069.40 × 8,498,285.20 - Step 4: Simplify right side
9,543,379.60x = 121,653,542,418,992.88 - Step 5: Solve for x
x = 121,653,542,418,992.88/9,543,379.60 - Step 6: Final answer
x = 12,747,427.80
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Similar ratio
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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.