Finding the Fourth Proportional to 21,335,296.26, 29,442,707.84 and 11,545,739.33
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Solution
The fourth proportional to 21,335,296.26, 29,442,707.84 and 11,545,739.33 is: 15,933,119.73
Step by Step Solution
- Step 1: Write the proportion equation
21,335,296.26 : 29,442,707.84 = 11,545,739.33 : x - Step 2: Convert to fraction form
21,335,296.26/29,442,707.84 = 11,545,739.33/x - Step 3: Cross multiply
21,335,296.26x = 29,442,707.84 × 11,545,739.33 - Step 4: Simplify right side
21,335,296.26x = 339,937,829,832,258.69 - Step 5: Solve for x
x = 339,937,829,832,258.69/21,335,296.26 - Step 6: Final answer
x = 15,933,119.73
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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.