Finding the Fourth Proportional to 10,368,909.45, 15,553,364.18 and 6,585,107.85
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Solution
The fourth proportional to 10,368,909.45, 15,553,364.18 and 6,585,107.85 is: 9,877,661.78
Step by Step Solution
- Step 1: Write the proportion equation
10,368,909.45 : 15,553,364.18 = 6,585,107.85 : x - Step 2: Convert to fraction form
10,368,909.45/15,553,364.18 = 6,585,107.85/x - Step 3: Cross multiply
10,368,909.45x = 15,553,364.18 × 6,585,107.85 - Step 4: Simplify right side
10,368,909.45x = 102,420,580,555,626.81 - Step 5: Solve for x
x = 102,420,580,555,626.81/10,368,909.45 - Step 6: Final answer
x = 9,877,661.78
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1.5x scale
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.