Finding the Fourth Proportional to 12,343,701.70, 18,515,552.55 and 4,365,525.70
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Solution
The fourth proportional to 12,343,701.70, 18,515,552.55 and 4,365,525.70 is: 6,548,288.55
Step by Step Solution
- Step 1: Write the proportion equation
12,343,701.70 : 18,515,552.55 = 4,365,525.70 : x - Step 2: Convert to fraction form
12,343,701.70/18,515,552.55 = 4,365,525.70/x - Step 3: Cross multiply
12,343,701.70x = 18,515,552.55 × 4,365,525.70 - Step 4: Simplify right side
12,343,701.70x = 80,830,120,506,725.55 - Step 5: Solve for x
x = 80,830,120,506,725.55/12,343,701.70 - Step 6: Final answer
x = 6,548,288.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.