Finding the Fourth Proportional to 40,201,954.56, 55,488,551.04 and 22,808,481.12
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Solution
The fourth proportional to 40,201,954.56, 55,488,551.04 and 22,808,481.12 is: 31,481,294.45
Step by Step Solution
- Step 1: Write the proportion equation
40,201,954.56 : 55,488,551.04 = 22,808,481.12 : x - Step 2: Convert to fraction form
40,201,954.56/55,488,551.04 = 22,808,481.12/x - Step 3: Cross multiply
40,201,954.56x = 55,488,551.04 × 22,808,481.12 - Step 4: Simplify right side
40,201,954.56x = 1,265,609,568,771,996.50 - Step 5: Solve for x
x = 1,265,609,568,771,996.50/40,201,954.56 - Step 6: Final answer
x = 31,481,294.45
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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.