Finding the Fourth Proportional to 13,634,201.50, 18,798,179.36 and 8,731,363.03
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Solution
The fourth proportional to 13,634,201.50, 18,798,179.36 and 8,731,363.03 is: 12,038,382.17
Step by Step Solution
- Step 1: Write the proportion equation
13,634,201.50 : 18,798,179.36 = 8,731,363.03 : x - Step 2: Convert to fraction form
13,634,201.50/18,798,179.36 = 8,731,363.03/x - Step 3: Cross multiply
13,634,201.50x = 18,798,179.36 × 8,731,363.03 - Step 4: Simplify right side
13,634,201.50x = 164,133,728,204,560.81 - Step 5: Solve for x
x = 164,133,728,204,560.81/13,634,201.50 - Step 6: Final answer
x = 12,038,382.17
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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.