Finding the Fourth Proportional to 9,591,416.20, 14,387,124.30 and 7,449,905.80
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Solution
The fourth proportional to 9,591,416.20, 14,387,124.30 and 7,449,905.80 is: 11,174,858.70
Step by Step Solution
- Step 1: Write the proportion equation
9,591,416.20 : 14,387,124.30 = 7,449,905.80 : x - Step 2: Convert to fraction form
9,591,416.20/14,387,124.30 = 7,449,905.80/x - Step 3: Cross multiply
9,591,416.20x = 14,387,124.30 × 7,449,905.80 - Step 4: Simplify right side
9,591,416.20x = 107,182,720,767,890.94 - Step 5: Solve for x
x = 107,182,720,767,890.94/9,591,416.20 - Step 6: Final answer
x = 11,174,858.70
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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.