Finding the Fourth Proportional to 21,519,044.13, 32,259,454.86 and 8,385,421.14
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Solution
The fourth proportional to 21,519,044.13, 32,259,454.86 and 8,385,421.14 is: 12,570,684.51
Step by Step Solution
- Step 1: Write the proportion equation
21,519,044.13 : 32,259,454.86 = 8,385,421.14 : x - Step 2: Convert to fraction form
21,519,044.13/32,259,454.86 = 8,385,421.14/x - Step 3: Cross multiply
21,519,044.13x = 32,259,454.86 × 8,385,421.14 - Step 4: Simplify right side
21,519,044.13x = 270,509,114,747,919.72 - Step 5: Solve for x
x = 270,509,114,747,919.72/21,519,044.13 - Step 6: Final answer
x = 12,570,684.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.