Finding the Fourth Proportional to 13,864,808.84, 20,799,105.84 and 5,775,892.80
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Solution
The fourth proportional to 13,864,808.84, 20,799,105.84 and 5,775,892.80 is: 8,664,627.63
Step by Step Solution
- Step 1: Write the proportion equation
13,864,808.84 : 20,799,105.84 = 5,775,892.80 : x - Step 2: Convert to fraction form
13,864,808.84/20,799,105.84 = 5,775,892.80/x - Step 3: Cross multiply
13,864,808.84x = 20,799,105.84 × 5,775,892.80 - Step 4: Simplify right side
13,864,808.84x = 120,133,405,667,693.95 - Step 5: Solve for x
x = 120,133,405,667,693.95/13,864,808.84 - Step 6: Final answer
x = 8,664,627.63
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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.