Finding the Fourth Proportional to 14,018,540.91, 19,345,838.41 and 8,221,503.75
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Solution
The fourth proportional to 14,018,540.91, 19,345,838.41 and 8,221,503.75 is: 11,345,822.94
Step by Step Solution
- Step 1: Write the proportion equation
14,018,540.91 : 19,345,838.41 = 8,221,503.75 : x - Step 2: Convert to fraction form
14,018,540.91/19,345,838.41 = 8,221,503.75/x - Step 3: Cross multiply
14,018,540.91x = 19,345,838.41 × 8,221,503.75 - Step 4: Simplify right side
14,018,540.91x = 159,051,883,034,709.03 - Step 5: Solve for x
x = 159,051,883,034,709.03/14,018,540.91 - Step 6: Final answer
x = 11,345,822.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.