Finding the Fourth Proportional to 11,109,483.08, 15,330,489.66 and 6,147,706.58
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Solution
The fourth proportional to 11,109,483.08, 15,330,489.66 and 6,147,706.58 is: 8,483,504.72
Step by Step Solution
- Step 1: Write the proportion equation
11,109,483.08 : 15,330,489.66 = 6,147,706.58 : x - Step 2: Convert to fraction form
11,109,483.08/15,330,489.66 = 6,147,706.58/x - Step 3: Cross multiply
11,109,483.08x = 15,330,489.66 × 6,147,706.58 - Step 4: Simplify right side
11,109,483.08x = 94,247,352,080,751.52 - Step 5: Solve for x
x = 94,247,352,080,751.52/11,109,483.08 - Step 6: Final answer
x = 8,483,504.72
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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.