Finding the Fourth Proportional to 13,157,197.42, 19,718,559.99 and 6,320,167.48
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Solution
The fourth proportional to 13,157,197.42, 19,718,559.99 and 6,320,167.48 is: 9,471,971.70
Step by Step Solution
- Step 1: Write the proportion equation
13,157,197.42 : 19,718,559.99 = 6,320,167.48 : x - Step 2: Convert to fraction form
13,157,197.42/19,718,559.99 = 6,320,167.48/x - Step 3: Cross multiply
13,157,197.42x = 19,718,559.99 × 6,320,167.48 - Step 4: Simplify right side
13,157,197.42x = 124,624,601,601,227.12 - Step 5: Solve for x
x = 124,624,601,601,227.12/13,157,197.42 - Step 6: Final answer
x = 9,471,971.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.