Finding the Fourth Proportional to 19,866,467.76, 29,793,403.08 and 8,503,865.52
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Solution
The fourth proportional to 19,866,467.76, 29,793,403.08 and 8,503,865.52 is: 12,753,102.17
Step by Step Solution
- Step 1: Write the proportion equation
19,866,467.76 : 29,793,403.08 = 8,503,865.52 : x - Step 2: Convert to fraction form
19,866,467.76/29,793,403.08 = 8,503,865.52/x - Step 3: Cross multiply
19,866,467.76x = 29,793,403.08 × 8,503,865.52 - Step 4: Simplify right side
19,866,467.76x = 253,359,093,175,473.78 - Step 5: Solve for x
x = 253,359,093,175,473.78/19,866,467.76 - Step 6: Final answer
x = 12,753,102.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.