Finding the Fourth Proportional to 20,265,033.60, 30,399,125.04 and 5,888,307.96
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Solution
The fourth proportional to 20,265,033.60, 30,399,125.04 and 5,888,307.96 is: 8,832,919.48
Step by Step Solution
- Step 1: Write the proportion equation
20,265,033.60 : 30,399,125.04 = 5,888,307.96 : x - Step 2: Convert to fraction form
20,265,033.60/30,399,125.04 = 5,888,307.96/x - Step 3: Cross multiply
20,265,033.60x = 30,399,125.04 × 5,888,307.96 - Step 4: Simplify right side
20,265,033.60x = 178,999,409,950,067.31 - Step 5: Solve for x
x = 178,999,409,950,067.31/20,265,033.60 - Step 6: Final answer
x = 8,832,919.48
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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.