Finding the Fourth Proportional to 20,959,722.84, 28,924,121.18 and 11,792,343.72
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Solution
The fourth proportional to 20,959,722.84, 28,924,121.18 and 11,792,343.72 is: 16,273,267.61
Step by Step Solution
- Step 1: Write the proportion equation
20,959,722.84 : 28,924,121.18 = 11,792,343.72 : x - Step 2: Convert to fraction form
20,959,722.84/28,924,121.18 = 11,792,343.72/x - Step 3: Cross multiply
20,959,722.84x = 28,924,121.18 × 11,792,343.72 - Step 4: Simplify right side
20,959,722.84x = 341,083,178,753,492 - Step 5: Solve for x
x = 341,083,178,753,492/20,959,722.84 - Step 6: Final answer
x = 16,273,267.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.