Finding the Fourth Proportional to 21,145,022.58, 29,125,550.52 and 14,939,296.91
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Solution
The fourth proportional to 21,145,022.58, 29,125,550.52 and 14,939,296.91 is: 20,577,667.63
Step by Step Solution
- Step 1: Write the proportion equation
21,145,022.58 : 29,125,550.52 = 14,939,296.91 : x - Step 2: Convert to fraction form
21,145,022.58/29,125,550.52 = 14,939,296.91/x - Step 3: Cross multiply
21,145,022.58x = 29,125,550.52 × 14,939,296.91 - Step 4: Simplify right side
21,145,022.58x = 435,115,246,739,857.12 - Step 5: Solve for x
x = 435,115,246,739,857.12/21,145,022.58 - Step 6: Final answer
x = 20,577,667.63
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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.