Finding the Fourth Proportional to 14,229,493.36, 19,636,707.49 and 7,703,122.88
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Solution
The fourth proportional to 14,229,493.36, 19,636,707.49 and 7,703,122.88 is: 10,630,313.18
Step by Step Solution
- Step 1: Write the proportion equation
14,229,493.36 : 19,636,707.49 = 7,703,122.88 : x - Step 2: Convert to fraction form
14,229,493.36/19,636,707.49 = 7,703,122.88/x - Step 3: Cross multiply
14,229,493.36x = 19,636,707.49 × 7,703,122.88 - Step 4: Simplify right side
14,229,493.36x = 151,263,970,783,920.34 - Step 5: Solve for x
x = 151,263,970,783,920.34/14,229,493.36 - Step 6: Final answer
x = 10,630,313.18
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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.