Finding the Fourth Proportional to 7,311,835.20, 10,087,206.30 and 4,409,576.04
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Solution
The fourth proportional to 7,311,835.20, 10,087,206.30 and 4,409,576.04 is: 6,083,329.56
Step by Step Solution
- Step 1: Write the proportion equation
7,311,835.20 : 10,087,206.30 = 4,409,576.04 : x - Step 2: Convert to fraction form
7,311,835.20/10,087,206.30 = 4,409,576.04/x - Step 3: Cross multiply
7,311,835.20x = 10,087,206.30 × 4,409,576.04 - Step 4: Simplify right side
7,311,835.20x = 44,480,303,211,017.05 - Step 5: Solve for x
x = 44,480,303,211,017.05/7,311,835.20 - Step 6: Final answer
x = 6,083,329.56
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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.