Finding the Fourth Proportional to 9,659,614.60, 14,489,421.90 and 2,927,153.80
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Solution
The fourth proportional to 9,659,614.60, 14,489,421.90 and 2,927,153.80 is: 4,390,730.70
Step by Step Solution
- Step 1: Write the proportion equation
9,659,614.60 : 14,489,421.90 = 2,927,153.80 : x - Step 2: Convert to fraction form
9,659,614.60/14,489,421.90 = 2,927,153.80/x - Step 3: Cross multiply
9,659,614.60x = 14,489,421.90 × 2,927,153.80 - Step 4: Simplify right side
9,659,614.60x = 42,412,766,374,388.22 - Step 5: Solve for x
x = 42,412,766,374,388.22/9,659,614.60 - Step 6: Final answer
x = 4,390,730.70
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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.