Finding the Fourth Proportional to 47,762,439.11, 71,643,264.97 and 13,683,817.79
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Solution
The fourth proportional to 47,762,439.11, 71,643,264.97 and 13,683,817.79 is: 20,525,613.89
Step by Step Solution
- Step 1: Write the proportion equation
47,762,439.11 : 71,643,264.97 = 13,683,817.79 : x - Step 2: Convert to fraction form
47,762,439.11/71,643,264.97 = 13,683,817.79/x - Step 3: Cross multiply
47,762,439.11x = 71,643,264.97 × 13,683,817.79 - Step 4: Simplify right side
47,762,439.11x = 980,353,383,730,169.75 - Step 5: Solve for x
x = 980,353,383,730,169.75/47,762,439.11 - Step 6: Final answer
x = 20,525,613.89
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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.