Finding the Fourth Proportional to 23,128,886.24, 34,668,915.60 and 7,761,605.42
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Solution
The fourth proportional to 23,128,886.24, 34,668,915.60 and 7,761,605.42 is: 11,634,215.35
Step by Step Solution
- Step 1: Write the proportion equation
23,128,886.24 : 34,668,915.60 = 7,761,605.42 : x - Step 2: Convert to fraction form
23,128,886.24/34,668,915.60 = 7,761,605.42/x - Step 3: Cross multiply
23,128,886.24x = 34,668,915.60 × 7,761,605.42 - Step 4: Simplify right side
23,128,886.24x = 269,086,443,342,260.84 - Step 5: Solve for x
x = 269,086,443,342,260.84/23,128,886.24 - Step 6: Final answer
x = 11,634,215.35
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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.