Finding the Fourth Proportional to 11,485,781.74, 17,231,352.72 and 3,808,864.99
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Solution
The fourth proportional to 11,485,781.74, 17,231,352.72 and 3,808,864.99 is: 5,714,186.25
Step by Step Solution
- Step 1: Write the proportion equation
11,485,781.74 : 17,231,352.72 = 3,808,864.99 : x - Step 2: Convert to fraction form
11,485,781.74/17,231,352.72 = 3,808,864.99/x - Step 3: Cross multiply
11,485,781.74x = 17,231,352.72 × 3,808,864.99 - Step 4: Simplify right side
11,485,781.74x = 65,631,896,112,805.21 - Step 5: Solve for x
x = 65,631,896,112,805.21/11,485,781.74 - Step 6: Final answer
x = 5,714,186.25
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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.