Finding the Fourth Proportional to 15,672,086.29, 21,626,292.58 and 8,795,239.75
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Solution
The fourth proportional to 15,672,086.29, 21,626,292.58 and 8,795,239.75 is: 12,136,764.99
Step by Step Solution
- Step 1: Write the proportion equation
15,672,086.29 : 21,626,292.58 = 8,795,239.75 : x - Step 2: Convert to fraction form
15,672,086.29/21,626,292.58 = 8,795,239.75/x - Step 3: Cross multiply
15,672,086.29x = 21,626,292.58 × 8,795,239.75 - Step 4: Simplify right side
15,672,086.29x = 190,208,428,144,746.03 - Step 5: Solve for x
x = 190,208,428,144,746.03/15,672,086.29 - Step 6: Final answer
x = 12,136,764.99
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1.5x scale
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.