Finding the Fourth Proportional to 10,528,011.53, 14,528,756.06 and 6,177,171.85
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Solution
The fourth proportional to 10,528,011.53, 14,528,756.06 and 6,177,171.85 is: 8,524,555.91
Step by Step Solution
- Step 1: Write the proportion equation
10,528,011.53 : 14,528,756.06 = 6,177,171.85 : x - Step 2: Convert to fraction form
10,528,011.53/14,528,756.06 = 6,177,171.85/x - Step 3: Cross multiply
10,528,011.53x = 14,528,756.06 × 6,177,171.85 - Step 4: Simplify right side
10,528,011.53x = 89,746,622,918,463.05 - Step 5: Solve for x
x = 89,746,622,918,463.05/10,528,011.53 - Step 6: Final answer
x = 8,524,555.91
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1.5x scale
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.