Finding the Fourth Proportional to 7,434,820.63, 11,149,705.07 and 2,575,992.98
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Solution
The fourth proportional to 7,434,820.63, 11,149,705.07 and 2,575,992.98 is: 3,863,114.32
Step by Step Solution
- Step 1: Write the proportion equation
7,434,820.63 : 11,149,705.07 = 2,575,992.98 : x - Step 2: Convert to fraction form
7,434,820.63/11,149,705.07 = 2,575,992.98/x - Step 3: Cross multiply
7,434,820.63x = 11,149,705.07 × 2,575,992.98 - Step 4: Simplify right side
7,434,820.63x = 28,721,562,004,384.70 - Step 5: Solve for x
x = 28,721,562,004,384.70/7,434,820.63 - Step 6: Final answer
x = 3,863,114.32
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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.