Finding the Fourth Proportional to 19,720,922.60, 29,523,323.10 and 14,694,516.20
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Solution
The fourth proportional to 19,720,922.60, 29,523,323.10 and 14,694,516.20 is: 21,998,511.85
Step by Step Solution
- Step 1: Write the proportion equation
19,720,922.60 : 29,523,323.10 = 14,694,516.20 : x - Step 2: Convert to fraction form
19,720,922.60/29,523,323.10 = 14,694,516.20/x - Step 3: Cross multiply
19,720,922.60x = 29,523,323.10 × 14,694,516.20 - Step 4: Simplify right side
19,720,922.60x = 433,830,949,570,784.25 - Step 5: Solve for x
x = 433,830,949,570,784.25/19,720,922.60 - Step 6: Final answer
x = 21,998,511.85
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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.