Finding the Fourth Proportional to 19,379,799.12, 26,744,728.06 and 11,121,371.84
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Solution
The fourth proportional to 19,379,799.12, 26,744,728.06 and 11,121,371.84 is: 15,347,840.48
Step by Step Solution
- Step 1: Write the proportion equation
19,379,799.12 : 26,744,728.06 = 11,121,371.84 : x - Step 2: Convert to fraction form
19,379,799.12/26,744,728.06 = 11,121,371.84/x - Step 3: Cross multiply
19,379,799.12x = 26,744,728.06 × 11,121,371.84 - Step 4: Simplify right side
19,379,799.12x = 297,438,065,514,941.81 - Step 5: Solve for x
x = 297,438,065,514,941.81/19,379,799.12 - Step 6: Final answer
x = 15,347,840.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.