Finding the Fourth Proportional to 21,702,267.44, 29,949,161.87 and 11,779,153.68
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Solution
The fourth proportional to 21,702,267.44, 29,949,161.87 and 11,779,153.68 is: 16,255,249.89
Step by Step Solution
- Step 1: Write the proportion equation
21,702,267.44 : 29,949,161.87 = 11,779,153.68 : x - Step 2: Convert to fraction form
21,702,267.44/29,949,161.87 = 11,779,153.68/x - Step 3: Cross multiply
21,702,267.44x = 29,949,161.87 × 11,779,153.68 - Step 4: Simplify right side
21,702,267.44x = 352,775,780,334,498.06 - Step 5: Solve for x
x = 352,775,780,334,498.06/21,702,267.44 - Step 6: Final answer
x = 16,255,249.89
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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.