Finding the Fourth Proportional to 18,149,253.40, 27,216,006.90 and 6,014,027.80
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Solution
The fourth proportional to 18,149,253.40, 27,216,006.90 and 6,014,027.80 is: 9,018,432.80
Step by Step Solution
- Step 1: Write the proportion equation
18,149,253.40 : 27,216,006.90 = 6,014,027.80 : x - Step 2: Convert to fraction form
18,149,253.40/27,216,006.90 = 6,014,027.80/x - Step 3: Cross multiply
18,149,253.40x = 27,216,006.90 × 6,014,027.80 - Step 4: Simplify right side
18,149,253.40x = 163,677,822,101,591.81 - Step 5: Solve for x
x = 163,677,822,101,591.81/18,149,253.40 - Step 6: Final answer
x = 9,018,432.80
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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.