Finding the Fourth Proportional to 53,146,205.93, 79,719,309.92 and 12,756,689.93
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Solution
The fourth proportional to 53,146,205.93, 79,719,309.92 and 12,756,689.93 is: 19,135,035.14
Step by Step Solution
- Step 1: Write the proportion equation
53,146,205.93 : 79,719,309.92 = 12,756,689.93 : x - Step 2: Convert to fraction form
53,146,205.93/79,719,309.92 = 12,756,689.93/x - Step 3: Cross multiply
53,146,205.93x = 79,719,309.92 × 12,756,689.93 - Step 4: Simplify right side
53,146,205.93x = 1,016,954,518,314,203 - Step 5: Solve for x
x = 1,016,954,518,314,203/53,146,205.93 - Step 6: Final answer
x = 19,135,035.14
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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.