Finding the Fourth Proportional to 21,348,775.27, 29,461,323.77 and 11,559,226.09
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Solution
The fourth proportional to 21,348,775.27, 29,461,323.77 and 11,559,226.09 is: 15,951,739.53
Step by Step Solution
- Step 1: Write the proportion equation
21,348,775.27 : 29,461,323.77 = 11,559,226.09 : x - Step 2: Convert to fraction form
21,348,775.27/29,461,323.77 = 11,559,226.09/x - Step 3: Cross multiply
21,348,775.27x = 29,461,323.77 × 11,559,226.09 - Step 4: Simplify right side
21,348,775.27x = 340,550,102,400,279.44 - Step 5: Solve for x
x = 340,550,102,400,279.44/21,348,775.27 - Step 6: Final answer
x = 15,951,739.53
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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.