Finding the Fourth Proportional to 19,690,618.58, 29,539,077.16 and 8,331,165.62
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Solution
The fourth proportional to 19,690,618.58, 29,539,077.16 and 8,331,165.62 is: 12,498,080.90
Step by Step Solution
- Step 1: Write the proportion equation
19,690,618.58 : 29,539,077.16 = 8,331,165.62 : x - Step 2: Convert to fraction form
19,690,618.58/29,539,077.16 = 8,331,165.62/x - Step 3: Cross multiply
19,690,618.58x = 29,539,077.16 × 8,331,165.62 - Step 4: Simplify right side
19,690,618.58x = 246,094,944,081,919.25 - Step 5: Solve for x
x = 246,094,944,081,919.25/19,690,618.58 - Step 6: Final answer
x = 12,498,080.90
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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.