Finding the Fourth Proportional to 12,764,728.36, 19,118,943.42 and 10,551,160.36
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Solution
The fourth proportional to 12,764,728.36, 19,118,943.42 and 10,551,160.36 is: 15,803,472.84
Step by Step Solution
- Step 1: Write the proportion equation
12,764,728.36 : 19,118,943.42 = 10,551,160.36 : x - Step 2: Convert to fraction form
12,764,728.36/19,118,943.42 = 10,551,160.36/x - Step 3: Cross multiply
12,764,728.36x = 19,118,943.42 × 10,551,160.36 - Step 4: Simplify right side
12,764,728.36x = 201,727,037,938,186.84 - Step 5: Solve for x
x = 201,727,037,938,186.84/12,764,728.36 - Step 6: Final answer
x = 15,803,472.84
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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.