Finding the Fourth Proportional to 11,296,923.48, 15,589,426.74 and 6,402,597.92
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Solution
The fourth proportional to 11,296,923.48, 15,589,426.74 and 6,402,597.92 is: 8,835,399.43
Step by Step Solution
- Step 1: Write the proportion equation
11,296,923.48 : 15,589,426.74 = 6,402,597.92 : x - Step 2: Convert to fraction form
11,296,923.48/15,589,426.74 = 6,402,597.92/x - Step 3: Cross multiply
11,296,923.48x = 15,589,426.74 × 6,402,597.92 - Step 4: Simplify right side
11,296,923.48x = 99,812,831,219,516.38 - Step 5: Solve for x
x = 99,812,831,219,516.38/11,296,923.48 - Step 6: Final answer
x = 8,835,399.43
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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.