Finding the Fourth Proportional to 26,618,064.23, 39,934,170.08 and 8,422,582.65
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Solution
The fourth proportional to 26,618,064.23, 39,934,170.08 and 8,422,582.65 is: 12,636,112.27
Step by Step Solution
- Step 1: Write the proportion equation
26,618,064.23 : 39,934,170.08 = 8,422,582.65 : x - Step 2: Convert to fraction form
26,618,064.23/39,934,170.08 = 8,422,582.65/x - Step 3: Cross multiply
26,618,064.23x = 39,934,170.08 × 8,422,582.65 - Step 4: Simplify right side
26,618,064.23x = 336,348,848,015,844.25 - Step 5: Solve for x
x = 336,348,848,015,844.25/26,618,064.23 - Step 6: Final answer
x = 12,636,112.27
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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.