Finding the Fourth Proportional to 36,748,627.20, 55,122,940.80 and 11,186,315.10
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Solution
The fourth proportional to 36,748,627.20, 55,122,940.80 and 11,186,315.10 is: 16,779,472.65
Step by Step Solution
- Step 1: Write the proportion equation
36,748,627.20 : 55,122,940.80 = 11,186,315.10 : x - Step 2: Convert to fraction form
36,748,627.20/55,122,940.80 = 11,186,315.10/x - Step 3: Cross multiply
36,748,627.20x = 55,122,940.80 × 11,186,315.10 - Step 4: Simplify right side
36,748,627.20x = 616,622,585,027,446 - Step 5: Solve for x
x = 616,622,585,027,446/36,748,627.20 - Step 6: Final answer
x = 16,779,472.65
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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.