Finding the Fourth Proportional to 11,010,902.70, 16,516,354.05 and 9,416,579.70
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Solution
The fourth proportional to 11,010,902.70, 16,516,354.05 and 9,416,579.70 is: 14,124,869.55
Step by Step Solution
- Step 1: Write the proportion equation
11,010,902.70 : 16,516,354.05 = 9,416,579.70 : x - Step 2: Convert to fraction form
11,010,902.70/16,516,354.05 = 9,416,579.70/x - Step 3: Cross multiply
11,010,902.70x = 16,516,354.05 × 9,416,579.70 - Step 4: Simplify right side
11,010,902.70x = 155,527,564,265,242.78 - Step 5: Solve for x
x = 155,527,564,265,242.78/11,010,902.70 - Step 6: Final answer
x = 14,124,869.55
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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.