Finding the Fourth Proportional to 10,948,941.20, 16,392,307.80 and 10,353,126.80
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Solution
The fourth proportional to 10,948,941.20, 16,392,307.80 and 10,353,126.80 is: 15,500,278.80
Step by Step Solution
- Step 1: Write the proportion equation
10,948,941.20 : 16,392,307.80 = 10,353,126.80 : x - Step 2: Convert to fraction form
10,948,941.20/16,392,307.80 = 10,353,126.80/x - Step 3: Cross multiply
10,948,941.20x = 16,392,307.80 × 10,353,126.80 - Step 4: Simplify right side
10,948,941.20x = 169,711,641,198,029.06 - Step 5: Solve for x
x = 169,711,641,198,029.06/10,948,941.20 - Step 6: Final answer
x = 15,500,278.80
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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.