Finding the Fourth Proportional to 22,771,749.99, 31,438,682.86 and 14,081,574.27
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Solution
The fourth proportional to 22,771,749.99, 31,438,682.86 and 14,081,574.27 is: 19,441,024.42
Step by Step Solution
- Step 1: Write the proportion equation
22,771,749.99 : 31,438,682.86 = 14,081,574.27 : x - Step 2: Convert to fraction form
22,771,749.99/31,438,682.86 = 14,081,574.27/x - Step 3: Cross multiply
22,771,749.99x = 31,438,682.86 × 14,081,574.27 - Step 4: Simplify right side
22,771,749.99x = 442,706,147,644,066 - Step 5: Solve for x
x = 442,706,147,644,066/22,771,749.99 - Step 6: Final answer
x = 19,441,024.42
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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.