Finding the Fourth Proportional to 17,702,391.52, 26,546,860.94 and 8,470,887.62
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Solution
The fourth proportional to 17,702,391.52, 26,546,860.94 and 8,470,887.62 is: 12,703,112.76
Step by Step Solution
- Step 1: Write the proportion equation
17,702,391.52 : 26,546,860.94 = 8,470,887.62 : x - Step 2: Convert to fraction form
17,702,391.52/26,546,860.94 = 8,470,887.62/x - Step 3: Cross multiply
17,702,391.52x = 26,546,860.94 × 8,470,887.62 - Step 4: Simplify right side
17,702,391.52x = 224,875,475,686,507.56 - Step 5: Solve for x
x = 224,875,475,686,507.56/17,702,391.52 - Step 6: Final answer
x = 12,703,112.76
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1.5x scale
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.