Finding the Fourth Proportional to 13,263,474.17, 19,889,753.68 and 5,069,142.99
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Solution
The fourth proportional to 13,263,474.17, 19,889,753.68 and 5,069,142.99 is: 7,601,628.66
Step by Step Solution
- Step 1: Write the proportion equation
13,263,474.17 : 19,889,753.68 = 5,069,142.99 : x - Step 2: Convert to fraction form
13,263,474.17/19,889,753.68 = 5,069,142.99/x - Step 3: Cross multiply
13,263,474.17x = 19,889,753.68 × 5,069,142.99 - Step 4: Simplify right side
13,263,474.17x = 100,824,005,439,798.70 - Step 5: Solve for x
x = 100,824,005,439,798.70/13,263,474.17 - Step 6: Final answer
x = 7,601,628.66
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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.