Finding the Fourth Proportional to 33,643,363.63, 46,427,806.16 and 18,173,445.79
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Solution
The fourth proportional to 33,643,363.63, 46,427,806.16 and 18,173,445.79 is: 25,079,335.93
Step by Step Solution
- Step 1: Write the proportion equation
33,643,363.63 : 46,427,806.16 = 18,173,445.79 : x - Step 2: Convert to fraction form
33,643,363.63/46,427,806.16 = 18,173,445.79/x - Step 3: Cross multiply
33,643,363.63x = 46,427,806.16 × 18,173,445.79 - Step 4: Simplify right side
33,643,363.63x = 843,753,218,074,381.88 - Step 5: Solve for x
x = 843,753,218,074,381.88/33,643,363.63 - Step 6: Final answer
x = 25,079,335.93
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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.