Finding the Fourth Proportional to 11,277,955.62, 15,563,161.80 and 6,121,206.72
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Solution
The fourth proportional to 11,277,955.62, 15,563,161.80 and 6,121,206.72 is: 8,447,038.97
Step by Step Solution
- Step 1: Write the proportion equation
11,277,955.62 : 15,563,161.80 = 6,121,206.72 : x - Step 2: Convert to fraction form
11,277,955.62/15,563,161.80 = 6,121,206.72/x - Step 3: Cross multiply
11,277,955.62x = 15,563,161.80 × 6,121,206.72 - Step 4: Simplify right side
11,277,955.62x = 95,265,330,594,607.30 - Step 5: Solve for x
x = 95,265,330,594,607.30/11,277,955.62 - Step 6: Final answer
x = 8,447,038.97
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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.