Finding the Fourth Proportional to 7,523,360.25, 10,385,415.63 and 5,079,282.09
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Solution
The fourth proportional to 7,523,360.25, 10,385,415.63 and 5,079,282.09 is: 7,011,555.19
Step by Step Solution
- Step 1: Write the proportion equation
7,523,360.25 : 10,385,415.63 = 5,079,282.09 : x - Step 2: Convert to fraction form
7,523,360.25/10,385,415.63 = 5,079,282.09/x - Step 3: Cross multiply
7,523,360.25x = 10,385,415.63 × 5,079,282.09 - Step 4: Simplify right side
7,523,360.25x = 52,750,455,606,665.07 - Step 5: Solve for x
x = 52,750,455,606,665.07/7,523,360.25 - Step 6: Final answer
x = 7,011,555.19
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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.