Finding the Fourth Proportional to 14,305,661.34, 19,742,331.99 and 8,195,270.94
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Solution
The fourth proportional to 14,305,661.34, 19,742,331.99 and 8,195,270.94 is: 11,309,771.41
Step by Step Solution
- Step 1: Write the proportion equation
14,305,661.34 : 19,742,331.99 = 8,195,270.94 : x - Step 2: Convert to fraction form
14,305,661.34/19,742,331.99 = 8,195,270.94/x - Step 3: Cross multiply
14,305,661.34x = 19,742,331.99 × 8,195,270.94 - Step 4: Simplify right side
14,305,661.34x = 161,793,759,645,479.38 - Step 5: Solve for x
x = 161,793,759,645,479.38/14,305,661.34 - Step 6: Final answer
x = 11,309,771.41
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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.