Finding the Fourth Proportional to 7,776,246.90, 11,664,370.35 and 2,728,067.70
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Solution
The fourth proportional to 7,776,246.90, 11,664,370.35 and 2,728,067.70 is: 4,092,101.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,246.90 : 11,664,370.35 = 2,728,067.70 : x - Step 2: Convert to fraction form
7,776,246.90/11,664,370.35 = 2,728,067.70/x - Step 3: Cross multiply
7,776,246.90x = 11,664,370.35 × 2,728,067.70 - Step 4: Simplify right side
7,776,246.90x = 31,821,191,992,672.70 - Step 5: Solve for x
x = 31,821,191,992,672.70/7,776,246.90 - Step 6: Final answer
x = 4,092,101.55
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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.