Finding the Fourth Proportional to 39,976,197.93, 55,167,277.37 and 21,641,439.69
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Solution
The fourth proportional to 39,976,197.93, 55,167,277.37 and 21,641,439.69 is: 29,865,254.02
Step by Step Solution
- Step 1: Write the proportion equation
39,976,197.93 : 55,167,277.37 = 21,641,439.69 : x - Step 2: Convert to fraction form
39,976,197.93/55,167,277.37 = 21,641,439.69/x - Step 3: Cross multiply
39,976,197.93x = 55,167,277.37 × 21,641,439.69 - Step 4: Simplify right side
39,976,197.93x = 1,193,899,305,956,149.75 - Step 5: Solve for x
x = 1,193,899,305,956,149.75/39,976,197.93 - Step 6: Final answer
x = 29,865,254.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.