Finding the Fourth Proportional to 9,903,643.20, 14,855,464.80 and 7,033,861.80
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Solution
The fourth proportional to 9,903,643.20, 14,855,464.80 and 7,033,861.80 is: 10,550,792.70
Step by Step Solution
- Step 1: Write the proportion equation
9,903,643.20 : 14,855,464.80 = 7,033,861.80 : x - Step 2: Convert to fraction form
9,903,643.20/14,855,464.80 = 7,033,861.80/x - Step 3: Cross multiply
9,903,643.20x = 14,855,464.80 × 7,033,861.80 - Step 4: Simplify right side
9,903,643.20x = 104,491,286,377,964.64 - Step 5: Solve for x
x = 104,491,286,377,964.64/9,903,643.20 - Step 6: Final answer
x = 10,550,792.70
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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.