Finding the Fourth Proportional to 36,219,657.60, 54,332,110.80 and 21,811,701.60
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Solution
The fourth proportional to 36,219,657.60, 54,332,110.80 and 21,811,701.60 is: 32,719,132.83
Step by Step Solution
- Step 1: Write the proportion equation
36,219,657.60 : 54,332,110.80 = 21,811,701.60 : x - Step 2: Convert to fraction form
36,219,657.60/54,332,110.80 = 21,811,701.60/x - Step 3: Cross multiply
36,219,657.60x = 54,332,110.80 × 21,811,701.60 - Step 4: Simplify right side
36,219,657.60x = 1,185,075,788,067,737.25 - Step 5: Solve for x
x = 1,185,075,788,067,737.25/36,219,657.60 - Step 6: Final answer
x = 32,719,132.83
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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.