Finding the Fourth Proportional to 25,998,915.65, 35,878,448.76 and 14,985,590.99
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Solution
The fourth proportional to 25,998,915.65, 35,878,448.76 and 14,985,590.99 is: 20,680,083.96
Step by Step Solution
- Step 1: Write the proportion equation
25,998,915.65 : 35,878,448.76 = 14,985,590.99 : x - Step 2: Convert to fraction form
25,998,915.65/35,878,448.76 = 14,985,590.99/x - Step 3: Cross multiply
25,998,915.65x = 35,878,448.76 × 14,985,590.99 - Step 4: Simplify right side
25,998,915.65x = 537,659,758,293,640.38 - Step 5: Solve for x
x = 537,659,758,293,640.38/25,998,915.65 - Step 6: Final answer
x = 20,680,083.96
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1.5x scale
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.