Finding the Fourth Proportional to 17,669,479.68, 26,504,811.36 and 4,888,915.20
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Solution
The fourth proportional to 17,669,479.68, 26,504,811.36 and 4,888,915.20 is: 7,333,536.55
Step by Step Solution
- Step 1: Write the proportion equation
17,669,479.68 : 26,504,811.36 = 4,888,915.20 : x - Step 2: Convert to fraction form
17,669,479.68/26,504,811.36 = 4,888,915.20/x - Step 3: Cross multiply
17,669,479.68x = 26,504,811.36 × 4,888,915.20 - Step 4: Simplify right side
17,669,479.68x = 129,579,775,131,036.67 - Step 5: Solve for x
x = 129,579,775,131,036.67/17,669,479.68 - Step 6: Final answer
x = 7,333,536.55
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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.