Finding the Fourth Proportional to 40,505,261.12, 55,897,785.36 and 22,170,152.96
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Solution
The fourth proportional to 40,505,261.12, 55,897,785.36 and 22,170,152.96 is: 30,595,098.45
Step by Step Solution
- Step 1: Write the proportion equation
40,505,261.12 : 55,897,785.36 = 22,170,152.96 : x - Step 2: Convert to fraction form
40,505,261.12/55,897,785.36 = 22,170,152.96/x - Step 3: Cross multiply
40,505,261.12x = 55,897,785.36 × 22,170,152.96 - Step 4: Simplify right side
40,505,261.12x = 1,239,262,451,556,448.75 - Step 5: Solve for x
x = 1,239,262,451,556,448.75/40,505,261.12 - Step 6: Final answer
x = 30,595,098.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.