Finding the Fourth Proportional to 71,828,467.72, 107,742,702.99 and 17,241,053.23
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Solution
The fourth proportional to 71,828,467.72, 107,742,702.99 and 17,241,053.23 is: 25,861,580.18
Step by Step Solution
- Step 1: Write the proportion equation
71,828,467.72 : 107,742,702.99 = 17,241,053.23 : x - Step 2: Convert to fraction form
71,828,467.72/107,742,702.99 = 17,241,053.23/x - Step 3: Cross multiply
71,828,467.72x = 107,742,702.99 × 17,241,053.23 - Step 4: Simplify right side
71,828,467.72x = 1,857,597,677,394,670 - Step 5: Solve for x
x = 1,857,597,677,394,670/71,828,467.72 - Step 6: Final answer
x = 25,861,580.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.