Finding the Fourth Proportional to 16,485,690.84, 22,723,975.62 and 12,995,341.44
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Solution
The fourth proportional to 16,485,690.84, 22,723,975.62 and 12,995,341.44 is: 17,912,856.97
Step by Step Solution
- Step 1: Write the proportion equation
16,485,690.84 : 22,723,975.62 = 12,995,341.44 : x - Step 2: Convert to fraction form
16,485,690.84/22,723,975.62 = 12,995,341.44/x - Step 3: Cross multiply
16,485,690.84x = 22,723,975.62 × 12,995,341.44 - Step 4: Simplify right side
16,485,690.84x = 295,305,822,056,135.69 - Step 5: Solve for x
x = 295,305,822,056,135.69/16,485,690.84 - Step 6: Final answer
x = 17,912,856.97
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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.