Finding the Fourth Proportional to 53,471,159.80, 80,206,739.70 and 13,081,643.80
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Solution
The fourth proportional to 53,471,159.80, 80,206,739.70 and 13,081,643.80 is: 19,622,465.70
Step by Step Solution
- Step 1: Write the proportion equation
53,471,159.80 : 80,206,739.70 = 13,081,643.80 : x - Step 2: Convert to fraction form
53,471,159.80/80,206,739.70 = 13,081,643.80/x - Step 3: Cross multiply
53,471,159.80x = 80,206,739.70 × 13,081,643.80 - Step 4: Simplify right side
53,471,159.80x = 1,049,235,999,114,719 - Step 5: Solve for x
x = 1,049,235,999,114,719/53,471,159.80 - Step 6: Final answer
x = 19,622,465.70
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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.