Finding the Fourth Proportional to 16,405,511.40, 24,605,934.30 and 5,623,309.80
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Solution
The fourth proportional to 16,405,511.40, 24,605,934.30 and 5,623,309.80 is: 8,434,165.09
Step by Step Solution
- Step 1: Write the proportion equation
16,405,511.40 : 24,605,934.30 = 5,623,309.80 : x - Step 2: Convert to fraction form
16,405,511.40/24,605,934.30 = 5,623,309.80/x - Step 3: Cross multiply
16,405,511.40x = 24,605,934.30 × 5,623,309.80 - Step 4: Simplify right side
16,405,511.40x = 138,366,791,487,346.14 - Step 5: Solve for x
x = 138,366,791,487,346.14/16,405,511.40 - Step 6: Final answer
x = 8,434,165.09
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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.