Finding the Fourth Proportional to 16,405,544.40, 24,605,983.80 and 5,623,342.80
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Solution
The fourth proportional to 16,405,544.40, 24,605,983.80 and 5,623,342.80 is: 8,434,214.58
Step by Step Solution
- Step 1: Write the proportion equation
16,405,544.40 : 24,605,983.80 = 5,623,342.80 : x - Step 2: Convert to fraction form
16,405,544.40/24,605,983.80 = 5,623,342.80/x - Step 3: Cross multiply
16,405,544.40x = 24,605,983.80 × 5,623,342.80 - Step 4: Simplify right side
16,405,544.40x = 138,367,881,838,646.64 - Step 5: Solve for x
x = 138,367,881,838,646.64/16,405,544.40 - Step 6: Final answer
x = 8,434,214.58
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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.