Finding the Fourth Proportional to 26,332,238.79, 36,345,794.18 and 15,321,115.80
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Solution
The fourth proportional to 26,332,238.79, 36,345,794.18 and 15,321,115.80 is: 21,147,389.93
Step by Step Solution
- Step 1: Write the proportion equation
26,332,238.79 : 36,345,794.18 = 15,321,115.80 : x - Step 2: Convert to fraction form
26,332,238.79/36,345,794.18 = 15,321,115.80/x - Step 3: Cross multiply
26,332,238.79x = 36,345,794.18 × 15,321,115.80 - Step 4: Simplify right side
26,332,238.79x = 556,858,121,398,140.44 - Step 5: Solve for x
x = 556,858,121,398,140.44/26,332,238.79 - Step 6: Final answer
x = 21,147,389.93
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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.