Finding the Fourth Proportional to 10,867,470.12, 14,997,446.16 and 5,972,603.16
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Solution
The fourth proportional to 10,867,470.12, 14,997,446.16 and 5,972,603.16 is: 8,242,377.79
Step by Step Solution
- Step 1: Write the proportion equation
10,867,470.12 : 14,997,446.16 = 5,972,603.16 : x - Step 2: Convert to fraction form
10,867,470.12/14,997,446.16 = 5,972,603.16/x - Step 3: Cross multiply
10,867,470.12x = 14,997,446.16 × 5,972,603.16 - Step 4: Simplify right side
10,867,470.12x = 89,573,794,327,145.88 - Step 5: Solve for x
x = 89,573,794,327,145.88/10,867,470.12 - Step 6: Final answer
x = 8,242,377.79
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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.