Finding the Fourth Proportional to 14,405,090.74, 19,876,816.53 and 8,292,337.78
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Solution
The fourth proportional to 14,405,090.74, 19,876,816.53 and 8,292,337.78 is: 11,442,154.70
Step by Step Solution
- Step 1: Write the proportion equation
14,405,090.74 : 19,876,816.53 = 8,292,337.78 : x - Step 2: Convert to fraction form
14,405,090.74/19,876,816.53 = 8,292,337.78/x - Step 3: Cross multiply
14,405,090.74x = 19,876,816.53 × 8,292,337.78 - Step 4: Simplify right side
14,405,090.74x = 164,825,276,657,847.53 - Step 5: Solve for x
x = 164,825,276,657,847.53/14,405,090.74 - Step 6: Final answer
x = 11,442,154.70
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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.