Finding the Fourth Proportional to 10,867,471.62, 14,997,448.23 and 5,972,604.66
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Solution
The fourth proportional to 10,867,471.62, 14,997,448.23 and 5,972,604.66 is: 8,242,379.86
Step by Step Solution
- Step 1: Write the proportion equation
10,867,471.62 : 14,997,448.23 = 5,972,604.66 : x - Step 2: Convert to fraction form
10,867,471.62/14,997,448.23 = 5,972,604.66/x - Step 3: Cross multiply
10,867,471.62x = 14,997,448.23 × 5,972,604.66 - Step 4: Simplify right side
10,867,471.62x = 89,573,829,186,606.75 - Step 5: Solve for x
x = 89,573,829,186,606.75/10,867,471.62 - Step 6: Final answer
x = 8,242,379.86
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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.