Finding the Fourth Proportional to 11,555,255.34, 15,946,056.18 and 6,398,506.08
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Solution
The fourth proportional to 11,555,255.34, 15,946,056.18 and 6,398,506.08 is: 8,829,829.75
Step by Step Solution
- Step 1: Write the proportion equation
11,555,255.34 : 15,946,056.18 = 6,398,506.08 : x - Step 2: Convert to fraction form
11,555,255.34/15,946,056.18 = 6,398,506.08/x - Step 3: Cross multiply
11,555,255.34x = 15,946,056.18 × 6,398,506.08 - Step 4: Simplify right side
11,555,255.34x = 102,030,937,419,751.58 - Step 5: Solve for x
x = 102,030,937,419,751.58/11,555,255.34 - Step 6: Final answer
x = 8,829,829.75
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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.