Finding the Fourth Proportional to 13,126,313.24, 19,689,469.88 and 3,541,691.80
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Solution
The fourth proportional to 13,126,313.24, 19,689,469.88 and 3,541,691.80 is: 5,312,537.71
Step by Step Solution
- Step 1: Write the proportion equation
13,126,313.24 : 19,689,469.88 = 3,541,691.80 : x - Step 2: Convert to fraction form
13,126,313.24/19,689,469.88 = 3,541,691.80/x - Step 3: Cross multiply
13,126,313.24x = 19,689,469.88 × 3,541,691.80 - Step 4: Simplify right side
13,126,313.24x = 69,734,034,020,342.98 - Step 5: Solve for x
x = 69,734,034,020,342.98/13,126,313.24 - Step 6: Final answer
x = 5,312,537.71
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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.