Finding the Fourth Proportional to 38,790,766.66, 58,192,128.70 and 13,225,797.35
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Solution
The fourth proportional to 38,790,766.66, 58,192,128.70 and 13,225,797.35 is: 19,840,734.48
Step by Step Solution
- Step 1: Write the proportion equation
38,790,766.66 : 58,192,128.70 = 13,225,797.35 : x - Step 2: Convert to fraction form
38,790,766.66/58,192,128.70 = 13,225,797.35/x - Step 3: Cross multiply
38,790,766.66x = 58,192,128.70 × 13,225,797.35 - Step 4: Simplify right side
38,790,766.66x = 769,637,301,609,150.62 - Step 5: Solve for x
x = 769,637,301,609,150.62/38,790,766.66 - Step 6: Final answer
x = 19,840,734.48
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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.