Finding the Fourth Proportional to 10,790,467.70, 16,185,701.55 and 9,463,363.70
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Solution
The fourth proportional to 10,790,467.70, 16,185,701.55 and 9,463,363.70 is: 14,195,045.55
Step by Step Solution
- Step 1: Write the proportion equation
10,790,467.70 : 16,185,701.55 = 9,463,363.70 : x - Step 2: Convert to fraction form
10,790,467.70/16,185,701.55 = 9,463,363.70/x - Step 3: Cross multiply
10,790,467.70x = 16,185,701.55 × 9,463,363.70 - Step 4: Simplify right side
10,790,467.70x = 153,171,180,507,303.72 - Step 5: Solve for x
x = 153,171,180,507,303.72/10,790,467.70 - Step 6: Final answer
x = 14,195,045.55
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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.