Finding the Fourth Proportional to 33,838,496.79, 46,697,184.81 and 18,368,591.91
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Solution
The fourth proportional to 33,838,496.79, 46,697,184.81 and 18,368,591.91 is: 25,348,688.99
Step by Step Solution
- Step 1: Write the proportion equation
33,838,496.79 : 46,697,184.81 = 18,368,591.91 : x - Step 2: Convert to fraction form
33,838,496.79/46,697,184.81 = 18,368,591.91/x - Step 3: Cross multiply
33,838,496.79x = 46,697,184.81 × 18,368,591.91 - Step 4: Simplify right side
33,838,496.79x = 857,761,531,120,741 - Step 5: Solve for x
x = 857,761,531,120,741/33,838,496.79 - Step 6: Final answer
x = 25,348,688.99
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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.