Finding the Fourth Proportional to 17,716,090.77, 26,564,519.84 and 7,989,323.09
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Solution
The fourth proportional to 17,716,090.77, 26,564,519.84 and 7,989,323.09 is: 11,979,648.01
Step by Step Solution
- Step 1: Write the proportion equation
17,716,090.77 : 26,564,519.84 = 7,989,323.09 : x - Step 2: Convert to fraction form
17,716,090.77/26,564,519.84 = 7,989,323.09/x - Step 3: Cross multiply
17,716,090.77x = 26,564,519.84 × 7,989,323.09 - Step 4: Simplify right side
17,716,090.77x = 212,232,531,559,705.91 - Step 5: Solve for x
x = 212,232,531,559,705.91/17,716,090.77 - Step 6: Final answer
x = 11,979,648.01
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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.