Finding the Fourth Proportional to 13,253,167.29, 19,879,778.27 and 3,668,574.18
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Solution
The fourth proportional to 13,253,167.29, 19,879,778.27 and 3,668,574.18 is: 5,502,868.84
Step by Step Solution
- Step 1: Write the proportion equation
13,253,167.29 : 19,879,778.27 = 3,668,574.18 : x - Step 2: Convert to fraction form
13,253,167.29/19,879,778.27 = 3,668,574.18/x - Step 3: Cross multiply
13,253,167.29x = 19,879,778.27 × 3,668,574.18 - Step 4: Simplify right side
13,253,167.29x = 72,930,441,265,447.06 - Step 5: Solve for x
x = 72,930,441,265,447.06/13,253,167.29 - Step 6: Final answer
x = 5,502,868.84
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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.