Finding the Fourth Proportional to 17,691,470.96, 26,509,558.44 and 12,310,634.48
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Solution
The fourth proportional to 17,691,470.96, 26,509,558.44 and 12,310,634.48 is: 18,446,712.82
Step by Step Solution
- Step 1: Write the proportion equation
17,691,470.96 : 26,509,558.44 = 12,310,634.48 : x - Step 2: Convert to fraction form
17,691,470.96/26,509,558.44 = 12,310,634.48/x - Step 3: Cross multiply
17,691,470.96x = 26,509,558.44 × 12,310,634.48 - Step 4: Simplify right side
17,691,470.96x = 326,349,484,181,039.06 - Step 5: Solve for x
x = 326,349,484,181,039.06/17,691,470.96 - Step 6: Final answer
x = 18,446,712.82
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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.