Finding the Fourth Proportional to 19,960,944.84, 27,546,071.22 and 11,259,090.54
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Solution
The fourth proportional to 19,960,944.84, 27,546,071.22 and 11,259,090.54 is: 15,537,526.52
Step by Step Solution
- Step 1: Write the proportion equation
19,960,944.84 : 27,546,071.22 = 11,259,090.54 : x - Step 2: Convert to fraction form
19,960,944.84/27,546,071.22 = 11,259,090.54/x - Step 3: Cross multiply
19,960,944.84x = 27,546,071.22 × 11,259,090.54 - Step 4: Simplify right side
19,960,944.84x = 310,143,709,887,268.25 - Step 5: Solve for x
x = 310,143,709,887,268.25/19,960,944.84 - Step 6: Final answer
x = 15,537,526.52
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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.