Finding the Fourth Proportional to 13,126,307.26, 19,689,460.89 and 3,541,685.79
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Solution
The fourth proportional to 13,126,307.26, 19,689,460.89 and 3,541,685.79 is: 5,312,528.68
Step by Step Solution
- Step 1: Write the proportion equation
13,126,307.26 : 19,689,460.89 = 3,541,685.79 : x - Step 2: Convert to fraction form
13,126,307.26/19,689,460.89 = 3,541,685.79/x - Step 3: Cross multiply
13,126,307.26x = 19,689,460.89 × 3,541,685.79 - Step 4: Simplify right side
13,126,307.26x = 69,733,883,745,995.54 - Step 5: Solve for x
x = 69,733,883,745,995.54/13,126,307.26 - Step 6: Final answer
x = 5,312,528.68
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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.