Finding the Fourth Proportional to 13,157,197.92, 19,718,560.74 and 6,320,167.98
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Solution
The fourth proportional to 13,157,197.92, 19,718,560.74 and 6,320,167.98 is: 9,471,972.45
Step by Step Solution
- Step 1: Write the proportion equation
13,157,197.92 : 19,718,560.74 = 6,320,167.98 : x - Step 2: Convert to fraction form
13,157,197.92/19,718,560.74 = 6,320,167.98/x - Step 3: Cross multiply
13,157,197.92x = 19,718,560.74 × 6,320,167.98 - Step 4: Simplify right side
13,157,197.92x = 124,624,616,200,633.11 - Step 5: Solve for x
x = 124,624,616,200,633.11/13,157,197.92 - Step 6: Final answer
x = 9,471,972.45
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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.