Finding the Fourth Proportional to 10,690,503.06, 14,765,073.05 and 7,246,765.38
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Solution
The fourth proportional to 10,690,503.06, 14,765,073.05 and 7,246,765.38 is: 10,008,791.88
Step by Step Solution
- Step 1: Write the proportion equation
10,690,503.06 : 14,765,073.05 = 7,246,765.38 : x - Step 2: Convert to fraction form
10,690,503.06/14,765,073.05 = 7,246,765.38/x - Step 3: Cross multiply
10,690,503.06x = 14,765,073.05 × 7,246,765.38 - Step 4: Simplify right side
10,690,503.06x = 106,999,020,230,027.92 - Step 5: Solve for x
x = 106,999,020,230,027.92/10,690,503.06 - Step 6: Final answer
x = 10,008,791.88
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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.