Finding the Fourth Proportional to 19,619,584.50, 29,420,796.96 and 9,898,216.14
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Solution
The fourth proportional to 19,619,584.50, 29,420,796.96 and 9,898,216.14 is: 14,842,995.65
Step by Step Solution
- Step 1: Write the proportion equation
19,619,584.50 : 29,420,796.96 = 9,898,216.14 : x - Step 2: Convert to fraction form
19,619,584.50/29,420,796.96 = 9,898,216.14/x - Step 3: Cross multiply
19,619,584.50x = 29,420,796.96 × 9,898,216.14 - Step 4: Simplify right side
19,619,584.50x = 291,213,407,321,134.94 - Step 5: Solve for x
x = 291,213,407,321,134.94/19,619,584.50 - Step 6: Final answer
x = 14,842,995.65
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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.