Finding the Fourth Proportional to 8,087,316.48, 11,141,529.48 and 5,635,478.07
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Solution
The fourth proportional to 8,087,316.48, 11,141,529.48 and 5,635,478.07 is: 7,763,742.79
Step by Step Solution
- Step 1: Write the proportion equation
8,087,316.48 : 11,141,529.48 = 5,635,478.07 : x - Step 2: Convert to fraction form
8,087,316.48/11,141,529.48 = 5,635,478.07/x - Step 3: Cross multiply
8,087,316.48x = 11,141,529.48 × 5,635,478.07 - Step 4: Simplify right side
8,087,316.48x = 62,787,845,050,798.51 - Step 5: Solve for x
x = 62,787,845,050,798.51/8,087,316.48 - Step 6: Final answer
x = 7,763,742.79
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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.