Finding the Fourth Proportional to 31,589,910.99, 47,389,958.22 and 9,730,280.07
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Solution
The fourth proportional to 31,589,910.99, 47,389,958.22 and 9,730,280.07 is: 14,596,988.45
Step by Step Solution
- Step 1: Write the proportion equation
31,589,910.99 : 47,389,958.22 = 9,730,280.07 : x - Step 2: Convert to fraction form
31,589,910.99/47,389,958.22 = 9,730,280.07/x - Step 3: Cross multiply
31,589,910.99x = 47,389,958.22 × 9,730,280.07 - Step 4: Simplify right side
31,589,910.99x = 461,117,565,835,261.75 - Step 5: Solve for x
x = 461,117,565,835,261.75/31,589,910.99 - Step 6: Final answer
x = 14,596,988.45
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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.