Finding the Fourth Proportional to 19,374,586.11, 29,062,939.86 and 7,858,343.52
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Solution
The fourth proportional to 19,374,586.11, 29,062,939.86 and 7,858,343.52 is: 11,787,945.50
Step by Step Solution
- Step 1: Write the proportion equation
19,374,586.11 : 29,062,939.86 = 7,858,343.52 : x - Step 2: Convert to fraction form
19,374,586.11/29,062,939.86 = 7,858,343.52/x - Step 3: Cross multiply
19,374,586.11x = 29,062,939.86 × 7,858,343.52 - Step 4: Simplify right side
19,374,586.11x = 228,386,565,120,980.69 - Step 5: Solve for x
x = 228,386,565,120,980.69/19,374,586.11 - Step 6: Final answer
x = 11,787,945.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.