Finding the Fourth Proportional to 22,751,562.52, 31,397,267.28 and 12,438,286.12
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Solution
The fourth proportional to 22,751,562.52, 31,397,267.28 and 12,438,286.12 is: 17,164,895.53
Step by Step Solution
- Step 1: Write the proportion equation
22,751,562.52 : 31,397,267.28 = 12,438,286.12 : x - Step 2: Convert to fraction form
22,751,562.52/31,397,267.28 = 12,438,286.12/x - Step 3: Cross multiply
22,751,562.52x = 31,397,267.28 × 12,438,286.12 - Step 4: Simplify right side
22,751,562.52x = 390,528,193,814,754.12 - Step 5: Solve for x
x = 390,528,193,814,754.12/22,751,562.52 - Step 6: Final answer
x = 17,164,895.53
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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.