Finding the Fourth Proportional to 14,132,643.99, 21,187,382.02 and 5,029,557.81
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Solution
The fourth proportional to 14,132,643.99, 21,187,382.02 and 5,029,557.81 is: 7,540,214.18
Step by Step Solution
- Step 1: Write the proportion equation
14,132,643.99 : 21,187,382.02 = 5,029,557.81 : x - Step 2: Convert to fraction form
14,132,643.99/21,187,382.02 = 5,029,557.81/x - Step 3: Cross multiply
14,132,643.99x = 21,187,382.02 × 5,029,557.81 - Step 4: Simplify right side
14,132,643.99x = 106,563,162,620,118 - Step 5: Solve for x
x = 106,563,162,620,118/14,132,643.99 - Step 6: Final answer
x = 7,540,214.18
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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.