Finding the Fourth Proportional to 7,619,272.40, 11,430,023.96 and 3,576,170.88
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Solution
The fourth proportional to 7,619,272.40, 11,430,023.96 and 3,576,170.88 is: 5,364,779.82
Step by Step Solution
- Step 1: Write the proportion equation
7,619,272.40 : 11,430,023.96 = 3,576,170.88 : x - Step 2: Convert to fraction form
7,619,272.40/11,430,023.96 = 3,576,170.88/x - Step 3: Cross multiply
7,619,272.40x = 11,430,023.96 × 3,576,170.88 - Step 4: Simplify right side
7,619,272.40x = 40,875,718,843,454.29 - Step 5: Solve for x
x = 40,875,718,843,454.29/7,619,272.40 - Step 6: Final answer
x = 5,364,779.82
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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.