Finding the Fourth Proportional to 8,243,120.39, 11,362,362.48 and 6,497,943.80
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Solution
The fourth proportional to 8,243,120.39, 11,362,362.48 and 6,497,943.80 is: 8,956,801.47
Step by Step Solution
- Step 1: Write the proportion equation
8,243,120.39 : 11,362,362.48 = 6,497,943.80 : x - Step 2: Convert to fraction form
8,243,120.39/11,362,362.48 = 6,497,943.80/x - Step 3: Cross multiply
8,243,120.39x = 11,362,362.48 × 6,497,943.80 - Step 4: Simplify right side
8,243,120.39x = 73,831,992,773,456.81 - Step 5: Solve for x
x = 73,831,992,773,456.81/8,243,120.39 - Step 6: Final answer
x = 8,956,801.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.