Finding the Fourth Proportional to 55,741,827.60, 83,580,198.84 and 21,623,305.68
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Solution
The fourth proportional to 55,741,827.60, 83,580,198.84 and 21,623,305.68 is: 32,422,334.65
Step by Step Solution
- Step 1: Write the proportion equation
55,741,827.60 : 83,580,198.84 = 21,623,305.68 : x - Step 2: Convert to fraction form
55,741,827.60/83,580,198.84 = 21,623,305.68/x - Step 3: Cross multiply
55,741,827.60x = 83,580,198.84 × 21,623,305.68 - Step 4: Simplify right side
55,741,827.60x = 1,807,280,188,312,501.50 - Step 5: Solve for x
x = 1,807,280,188,312,501.50/55,741,827.60 - Step 6: Final answer
x = 32,422,334.65
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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.