Finding the Fourth Proportional to 14,039,129.41, 21,154,521.47 and 11,536,408.17
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Solution
The fourth proportional to 14,039,129.41, 21,154,521.47 and 11,536,408.17 is: 17,383,356.70
Step by Step Solution
- Step 1: Write the proportion equation
14,039,129.41 : 21,154,521.47 = 11,536,408.17 : x - Step 2: Convert to fraction form
14,039,129.41/21,154,521.47 = 11,536,408.17/x - Step 3: Cross multiply
14,039,129.41x = 21,154,521.47 × 11,536,408.17 - Step 4: Simplify right side
14,039,129.41x = 244,047,194,261,266.38 - Step 5: Solve for x
x = 244,047,194,261,266.38/14,039,129.41 - Step 6: Final answer
x = 17,383,356.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.