Finding the Fourth Proportional to 13,580,637.11, 20,370,961.17 and 3,345,695.99
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Solution
The fourth proportional to 13,580,637.11, 20,370,961.17 and 3,345,695.99 is: 5,018,545.34
Step by Step Solution
- Step 1: Write the proportion equation
13,580,637.11 : 20,370,961.17 = 3,345,695.99 : x - Step 2: Convert to fraction form
13,580,637.11/20,370,961.17 = 3,345,695.99/x - Step 3: Cross multiply
13,580,637.11x = 20,370,961.17 × 3,345,695.99 - Step 4: Simplify right side
13,580,637.11x = 68,155,043,098,914.72 - Step 5: Solve for x
x = 68,155,043,098,914.72/13,580,637.11 - Step 6: Final answer
x = 5,018,545.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.