Finding the Fourth Proportional to 19,664,197.08, 27,136,707.95 and 11,409,174.68
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Solution
The fourth proportional to 19,664,197.08, 27,136,707.95 and 11,409,174.68 is: 15,744,728.34
Step by Step Solution
- Step 1: Write the proportion equation
19,664,197.08 : 27,136,707.95 = 11,409,174.68 : x - Step 2: Convert to fraction form
19,664,197.08/27,136,707.95 = 11,409,174.68/x - Step 3: Cross multiply
19,664,197.08x = 27,136,707.95 × 11,409,174.68 - Step 4: Simplify right side
19,664,197.08x = 309,607,441,048,965.31 - Step 5: Solve for x
x = 309,607,441,048,965.31/19,664,197.08 - Step 6: Final answer
x = 15,744,728.34
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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.