Finding the Fourth Proportional to 9,871,124.70, 14,806,687.05 and 5,889,812.70
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Solution
The fourth proportional to 9,871,124.70, 14,806,687.05 and 5,889,812.70 is: 8,834,719.05
Step by Step Solution
- Step 1: Write the proportion equation
9,871,124.70 : 14,806,687.05 = 5,889,812.70 : x - Step 2: Convert to fraction form
9,871,124.70/14,806,687.05 = 5,889,812.70/x - Step 3: Cross multiply
9,871,124.70x = 14,806,687.05 × 5,889,812.70 - Step 4: Simplify right side
9,871,124.70x = 87,208,613,432,015.55 - Step 5: Solve for x
x = 87,208,613,432,015.55/9,871,124.70 - Step 6: Final answer
x = 8,834,719.05
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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.