Finding the Fourth Proportional to 31,389,188.40, 47,085,337.80 and 16,272,644.40
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Solution
The fourth proportional to 31,389,188.40, 47,085,337.80 and 16,272,644.40 is: 24,409,772.84
Step by Step Solution
- Step 1: Write the proportion equation
31,389,188.40 : 47,085,337.80 = 16,272,644.40 : x - Step 2: Convert to fraction form
31,389,188.40/47,085,337.80 = 16,272,644.40/x - Step 3: Cross multiply
31,389,188.40x = 47,085,337.80 × 16,272,644.40 - Step 4: Simplify right side
31,389,188.40x = 766,202,958,473,278.25 - Step 5: Solve for x
x = 766,202,958,473,278.25/31,389,188.40 - Step 6: Final answer
x = 24,409,772.84
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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.