Finding the Fourth Proportional to 9,659,927.70, 14,489,891.55 and 5,180,951.70
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Solution
The fourth proportional to 9,659,927.70, 14,489,891.55 and 5,180,951.70 is: 7,771,427.55
Step by Step Solution
- Step 1: Write the proportion equation
9,659,927.70 : 14,489,891.55 = 5,180,951.70 : x - Step 2: Convert to fraction form
9,659,927.70/14,489,891.55 = 5,180,951.70/x - Step 3: Cross multiply
9,659,927.70x = 14,489,891.55 × 5,180,951.70 - Step 4: Simplify right side
9,659,927.70x = 75,071,428,258,788.14 - Step 5: Solve for x
x = 75,071,428,258,788.14/9,659,927.70 - Step 6: Final answer
x = 7,771,427.55
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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.