Finding the Fourth Proportional to 71,828,457.46, 107,742,687.62 and 17,241,042.98
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Solution
The fourth proportional to 71,828,457.46, 107,742,687.62 and 17,241,042.98 is: 25,861,564.82
Step by Step Solution
- Step 1: Write the proportion equation
71,828,457.46 : 107,742,687.62 = 17,241,042.98 : x - Step 2: Convert to fraction form
71,828,457.46/107,742,687.62 = 17,241,042.98/x - Step 3: Cross multiply
71,828,457.46x = 107,742,687.62 × 17,241,042.98 - Step 4: Simplify right side
71,828,457.46x = 1,857,596,308,220,285.50 - Step 5: Solve for x
x = 1,857,596,308,220,285.50/71,828,457.46 - Step 6: Final answer
x = 25,861,564.82
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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.