Finding the Fourth Proportional to 7,444,579.60, 11,166,869.40 and 2,652,425.20
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Solution
The fourth proportional to 7,444,579.60, 11,166,869.40 and 2,652,425.20 is: 3,978,637.80
Step by Step Solution
- Step 1: Write the proportion equation
7,444,579.60 : 11,166,869.40 = 2,652,425.20 : x - Step 2: Convert to fraction form
7,444,579.60/11,166,869.40 = 2,652,425.20/x - Step 3: Cross multiply
7,444,579.60x = 11,166,869.40 × 2,652,425.20 - Step 4: Simplify right side
7,444,579.60x = 29,619,285,801,668.88 - Step 5: Solve for x
x = 29,619,285,801,668.88/7,444,579.60 - Step 6: Final answer
x = 3,978,637.80
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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.