Finding the Fourth Proportional to 13,268,315.48, 18,310,237.86 and 7,467,097.24
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Solution
The fourth proportional to 13,268,315.48, 18,310,237.86 and 7,467,097.24 is: 10,304,573.09
Step by Step Solution
- Step 1: Write the proportion equation
13,268,315.48 : 18,310,237.86 = 7,467,097.24 : x - Step 2: Convert to fraction form
13,268,315.48/18,310,237.86 = 7,467,097.24/x - Step 3: Cross multiply
13,268,315.48x = 18,310,237.86 × 7,467,097.24 - Step 4: Simplify right side
13,268,315.48x = 136,724,326,588,149.50 - Step 5: Solve for x
x = 136,724,326,588,149.50/13,268,315.48 - Step 6: Final answer
x = 10,304,573.09
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1.5x scale
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.