Finding the Fourth Proportional to 21,713,473.29, 29,939,277.83 and 16,197,272.13
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Solution
The fourth proportional to 21,713,473.29, 29,939,277.83 and 16,197,272.13 is: 22,333,351.46
Step by Step Solution
- Step 1: Write the proportion equation
21,713,473.29 : 29,939,277.83 = 16,197,272.13 : x - Step 2: Convert to fraction form
21,713,473.29/29,939,277.83 = 16,197,272.13/x - Step 3: Cross multiply
21,713,473.29x = 29,939,277.83 × 16,197,272.13 - Step 4: Simplify right side
21,713,473.29x = 484,934,630,307,199.50 - Step 5: Solve for x
x = 484,934,630,307,199.50/21,713,473.29 - Step 6: Final answer
x = 22,333,351.46
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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.