Finding the Fourth Proportional to 13,910,784.75, 19,196,882.96 and 8,109,810.99
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Solution
The fourth proportional to 13,910,784.75, 19,196,882.96 and 8,109,810.99 is: 11,191,539.17
Step by Step Solution
- Step 1: Write the proportion equation
13,910,784.75 : 19,196,882.96 = 8,109,810.99 : x - Step 2: Convert to fraction form
13,910,784.75/19,196,882.96 = 8,109,810.99/x - Step 3: Cross multiply
13,910,784.75x = 19,196,882.96 × 8,109,810.99 - Step 4: Simplify right side
13,910,784.75x = 155,683,092,362,202.66 - Step 5: Solve for x
x = 155,683,092,362,202.66/13,910,784.75 - Step 6: Final answer
x = 11,191,539.17
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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.