Finding the Fourth Proportional to 43,471,887.20, 65,207,830.80 and 26,465,775.20
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Solution
The fourth proportional to 43,471,887.20, 65,207,830.80 and 26,465,775.20 is: 39,698,662.80
Step by Step Solution
- Step 1: Write the proportion equation
43,471,887.20 : 65,207,830.80 = 26,465,775.20 : x - Step 2: Convert to fraction form
43,471,887.20/65,207,830.80 = 26,465,775.20/x - Step 3: Cross multiply
43,471,887.20x = 65,207,830.80 × 26,465,775.20 - Step 4: Simplify right side
43,471,887.20x = 1,725,775,791,232,436 - Step 5: Solve for x
x = 1,725,775,791,232,436/43,471,887.20 - Step 6: Final answer
x = 39,698,662.80
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Similar ratio
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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.