Finding the Fourth Proportional to 26,145,411.09, 39,222,904.99 and 10,784,321.12
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Solution
The fourth proportional to 26,145,411.09, 39,222,904.99 and 10,784,321.12 is: 16,178,456.75
Step by Step Solution
- Step 1: Write the proportion equation
26,145,411.09 : 39,222,904.99 = 10,784,321.12 : x - Step 2: Convert to fraction form
26,145,411.09/39,222,904.99 = 10,784,321.12/x - Step 3: Cross multiply
26,145,411.09x = 39,222,904.99 × 10,784,321.12 - Step 4: Simplify right side
26,145,411.09x = 422,992,402,546,392.25 - Step 5: Solve for x
x = 422,992,402,546,392.25/26,145,411.09 - Step 6: Final answer
x = 16,178,456.75
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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.