Finding the Fourth Proportional to 9,515,344.11, 13,130,840.91 and 5,164,342.84
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Solution
The fourth proportional to 9,515,344.11, 13,130,840.91 and 5,164,342.84 is: 7,126,611.87
Step by Step Solution
- Step 1: Write the proportion equation
9,515,344.11 : 13,130,840.91 = 5,164,342.84 : x - Step 2: Convert to fraction form
9,515,344.11/13,130,840.91 = 5,164,342.84/x - Step 3: Cross multiply
9,515,344.11x = 13,130,840.91 × 5,164,342.84 - Step 4: Simplify right side
9,515,344.11x = 67,812,164,236,737.59 - Step 5: Solve for x
x = 67,812,164,236,737.59/9,515,344.11 - Step 6: Final answer
x = 7,126,611.87
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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.