Finding the Fourth Proportional to 7,199,707.08, 9,935,596.71 and 3,936,524.07
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Solution
The fourth proportional to 7,199,707.08, 9,935,596.71 and 3,936,524.07 is: 5,432,403.73
Step by Step Solution
- Step 1: Write the proportion equation
7,199,707.08 : 9,935,596.71 = 3,936,524.07 : x - Step 2: Convert to fraction form
7,199,707.08/9,935,596.71 = 3,936,524.07/x - Step 3: Cross multiply
7,199,707.08x = 9,935,596.71 × 3,936,524.07 - Step 4: Simplify right side
7,199,707.08x = 39,111,715,598,727.81 - Step 5: Solve for x
x = 39,111,715,598,727.81/7,199,707.08 - Step 6: Final answer
x = 5,432,403.73
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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.