Finding the Fourth Proportional to 11,277,439.68, 15,562,470.96 and 6,120,697.44
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Solution
The fourth proportional to 11,277,439.68, 15,562,470.96 and 6,120,697.44 is: 8,446,347.65
Step by Step Solution
- Step 1: Write the proportion equation
11,277,439.68 : 15,562,470.96 = 6,120,697.44 : x - Step 2: Convert to fraction form
11,277,439.68/15,562,470.96 = 6,120,697.44/x - Step 3: Cross multiply
11,277,439.68x = 15,562,470.96 × 6,120,697.44 - Step 4: Simplify right side
11,277,439.68x = 95,253,176,164,946.36 - Step 5: Solve for x
x = 95,253,176,164,946.36/11,277,439.68 - Step 6: Final answer
x = 8,446,347.65
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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.