Finding the Fourth Proportional to 11,668,701.50, 16,104,431.08 and 6,512,395.20
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Solution
The fourth proportional to 11,668,701.50, 16,104,431.08 and 6,512,395.20 is: 8,988,011.19
Step by Step Solution
- Step 1: Write the proportion equation
11,668,701.50 : 16,104,431.08 = 6,512,395.20 : x - Step 2: Convert to fraction form
11,668,701.50/16,104,431.08 = 6,512,395.20/x - Step 3: Cross multiply
11,668,701.50x = 16,104,431.08 × 6,512,395.20 - Step 4: Simplify right side
11,668,701.50x = 104,878,419,664,122.81 - Step 5: Solve for x
x = 104,878,419,664,122.81/11,668,701.50 - Step 6: Final answer
x = 8,988,011.19
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1.5x scale
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.