Finding the Fourth Proportional to 11,469,896.40, 15,828,331.80 and 6,313,146.96
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Solution
The fourth proportional to 11,469,896.40, 15,828,331.80 and 6,313,146.96 is: 8,712,073.88
Step by Step Solution
- Step 1: Write the proportion equation
11,469,896.40 : 15,828,331.80 = 6,313,146.96 : x - Step 2: Convert to fraction form
11,469,896.40/15,828,331.80 = 6,313,146.96/x - Step 3: Cross multiply
11,469,896.40x = 15,828,331.80 × 6,313,146.96 - Step 4: Simplify right side
11,469,896.40x = 99,926,584,785,041.33 - Step 5: Solve for x
x = 99,926,584,785,041.33/11,469,896.40 - Step 6: Final answer
x = 8,712,073.88
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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.