Finding the Fourth Proportional to 14,230,967.68, 19,638,741.44 and 7,704,596.80
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Solution
The fourth proportional to 14,230,967.68, 19,638,741.44 and 7,704,596.80 is: 10,632,346.85
Step by Step Solution
- Step 1: Write the proportion equation
14,230,967.68 : 19,638,741.44 = 7,704,596.80 : x - Step 2: Convert to fraction form
14,230,967.68/19,638,741.44 = 7,704,596.80/x - Step 3: Cross multiply
14,230,967.68x = 19,638,741.44 × 7,704,596.80 - Step 4: Simplify right side
14,230,967.68x = 151,308,584,454,651.41 - Step 5: Solve for x
x = 151,308,584,454,651.41/14,230,967.68 - Step 6: Final answer
x = 10,632,346.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.