Finding the Fourth Proportional to 14,273,420.63, 19,697,342.11 and 7,747,052.47
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Solution
The fourth proportional to 14,273,420.63, 19,697,342.11 and 7,747,052.47 is: 10,690,944.15
Step by Step Solution
- Step 1: Write the proportion equation
14,273,420.63 : 19,697,342.11 = 7,747,052.47 : x - Step 2: Convert to fraction form
14,273,420.63/19,697,342.11 = 7,747,052.47/x - Step 3: Cross multiply
14,273,420.63x = 19,697,342.11 × 7,747,052.47 - Step 4: Simplify right side
14,273,420.63x = 152,596,342,777,099.53 - Step 5: Solve for x
x = 152,596,342,777,099.53/14,273,420.63 - Step 6: Final answer
x = 10,690,944.15
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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.