Finding the Fourth Proportional to 6,215,987.22, 9,330,343.43 and 5,133,049.31
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Solution
The fourth proportional to 6,215,987.22, 9,330,343.43 and 5,133,049.31 is: 7,704,828.09
Step by Step Solution
- Step 1: Write the proportion equation
6,215,987.22 : 9,330,343.43 = 5,133,049.31 : x - Step 2: Convert to fraction form
6,215,987.22/9,330,343.43 = 5,133,049.31/x - Step 3: Cross multiply
6,215,987.22x = 9,330,343.43 × 5,133,049.31 - Step 4: Simplify right side
6,215,987.22x = 47,893,112,903,085.15 - Step 5: Solve for x
x = 47,893,112,903,085.15/6,215,987.22 - Step 6: Final answer
x = 7,704,828.09
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1.5x scale
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.