Finding the Fourth Proportional to 42,382,650.12, 63,583,452.18 and 15,456,306.12
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Solution
The fourth proportional to 42,382,650.12, 63,583,452.18 and 15,456,306.12 is: 23,187,915.30
Step by Step Solution
- Step 1: Write the proportion equation
42,382,650.12 : 63,583,452.18 = 15,456,306.12 : x - Step 2: Convert to fraction form
42,382,650.12/63,583,452.18 = 15,456,306.12/x - Step 3: Cross multiply
42,382,650.12x = 63,583,452.18 × 15,456,306.12 - Step 4: Simplify right side
42,382,650.12x = 982,765,301,060,461.25 - Step 5: Solve for x
x = 982,765,301,060,461.25/42,382,650.12 - Step 6: Final answer
x = 23,187,915.30
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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.