Finding the Fourth Proportional to 22,515,243.18, 31,074,370.47 and 14,256,073.14
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Solution
The fourth proportional to 22,515,243.18, 31,074,370.47 and 14,256,073.14 is: 19,675,492.49
Step by Step Solution
- Step 1: Write the proportion equation
22,515,243.18 : 31,074,370.47 = 14,256,073.14 : x - Step 2: Convert to fraction form
22,515,243.18/31,074,370.47 = 14,256,073.14/x - Step 3: Cross multiply
22,515,243.18x = 31,074,370.47 × 14,256,073.14 - Step 4: Simplify right side
22,515,243.18x = 442,998,498,199,776.19 - Step 5: Solve for x
x = 442,998,498,199,776.19/22,515,243.18 - Step 6: Final answer
x = 19,675,492.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.