Finding the Fourth Proportional to 53,146,205.09, 79,719,308.65 and 12,756,689.09
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Solution
The fourth proportional to 53,146,205.09, 79,719,308.65 and 12,756,689.09 is: 19,135,033.87
Step by Step Solution
- Step 1: Write the proportion equation
53,146,205.09 : 79,719,308.65 = 12,756,689.09 : x - Step 2: Convert to fraction form
53,146,205.09/79,719,308.65 = 12,756,689.09/x - Step 3: Cross multiply
53,146,205.09x = 79,719,308.65 × 12,756,689.09 - Step 4: Simplify right side
53,146,205.09x = 1,016,954,434,645,795.50 - Step 5: Solve for x
x = 1,016,954,434,645,795.50/53,146,205.09 - Step 6: Final answer
x = 19,135,033.87
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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.