Finding the Fourth Proportional to 7,356,543.40, 11,036,403.44 and 2,239,373.44
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Solution
The fourth proportional to 7,356,543.40, 11,036,403.44 and 2,239,373.44 is: 3,359,543.66
Step by Step Solution
- Step 1: Write the proportion equation
7,356,543.40 : 11,036,403.44 = 2,239,373.44 : x - Step 2: Convert to fraction form
7,356,543.40/11,036,403.44 = 2,239,373.44/x - Step 3: Cross multiply
7,356,543.40x = 11,036,403.44 × 2,239,373.44 - Step 4: Simplify right side
7,356,543.40x = 24,714,628,736,660.63 - Step 5: Solve for x
x = 24,714,628,736,660.63/7,356,543.40 - Step 6: Final answer
x = 3,359,543.66
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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.