Finding the Fourth Proportional to 20,706,492.88, 31,059,815.64 and 6,329,504.80
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Solution
The fourth proportional to 20,706,492.88, 31,059,815.64 and 6,329,504.80 is: 9,494,280.53
Step by Step Solution
- Step 1: Write the proportion equation
20,706,492.88 : 31,059,815.64 = 6,329,504.80 : x - Step 2: Convert to fraction form
20,706,492.88/31,059,815.64 = 6,329,504.80/x - Step 3: Cross multiply
20,706,492.88x = 31,059,815.64 × 6,329,504.80 - Step 4: Simplify right side
20,706,492.88x = 196,593,252,180,495.06 - Step 5: Solve for x
x = 196,593,252,180,495.06/20,706,492.88 - Step 6: Final answer
x = 9,494,280.53
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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.