Finding the Fourth Proportional to 13,415,711.52, 18,512,748 and 7,614,611.40
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Solution
The fourth proportional to 13,415,711.52, 18,512,748 and 7,614,611.40 is: 10,507,633.66
Step by Step Solution
- Step 1: Write the proportion equation
13,415,711.52 : 18,512,748 = 7,614,611.40 : x - Step 2: Convert to fraction form
13,415,711.52/18,512,748 = 7,614,611.40/x - Step 3: Cross multiply
13,415,711.52x = 18,512,748 × 7,614,611.40 - Step 4: Simplify right side
13,415,711.52x = 140,967,381,966,127.22 - Step 5: Solve for x
x = 140,967,381,966,127.22/13,415,711.52 - Step 6: Final answer
x = 10,507,633.66
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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.