Finding the Fourth Proportional to 10,571,535.60, 15,855,748.20 and 2,999,266.80
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Solution
The fourth proportional to 10,571,535.60, 15,855,748.20 and 2,999,266.80 is: 4,498,458.97
Step by Step Solution
- Step 1: Write the proportion equation
10,571,535.60 : 15,855,748.20 = 2,999,266.80 : x - Step 2: Convert to fraction form
10,571,535.60/15,855,748.20 = 2,999,266.80/x - Step 3: Cross multiply
10,571,535.60x = 15,855,748.20 × 2,999,266.80 - Step 4: Simplify right side
10,571,535.60x = 47,555,619,165,419.76 - Step 5: Solve for x
x = 47,555,619,165,419.76/10,571,535.60 - Step 6: Final answer
x = 4,498,458.97
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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.