Finding the Fourth Proportional to 12,453,530.99, 17,185,984.63 and 6,872,025.78
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Solution
The fourth proportional to 12,453,530.99, 17,185,984.63 and 6,872,025.78 is: 9,483,457.31
Step by Step Solution
- Step 1: Write the proportion equation
12,453,530.99 : 17,185,984.63 = 6,872,025.78 : x - Step 2: Convert to fraction form
12,453,530.99/17,185,984.63 = 6,872,025.78/x - Step 3: Cross multiply
12,453,530.99x = 17,185,984.63 × 6,872,025.78 - Step 4: Simplify right side
12,453,530.99x = 118,102,529,414,863.70 - Step 5: Solve for x
x = 118,102,529,414,863.70/12,453,530.99 - Step 6: Final answer
x = 9,483,457.31
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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.